Susan Siddons is looking after her old nanny Mary Begg, but one morning she comes to her house the old lady is dead. And that with Susan's wedding only a couple of days away. When Mary's grandson Peter, who is also Susan's old boyfriend, arrives in Aidensfield to take care of the funeral he gets a chilly reception by her father. The next day all the wedding presents have been stolen. And that is just the beginning. Kate's aunt Eileen tells her she has inherited a lot of money from her uncle. Kate initially refuses to accept the money, but then donates it to an old people's home.

Aidensfield is in a fever of excitement when Nick and Kate return with their beautiful new-born baby girl and everybody showers them with presents. Only nobody else in the village knows that Kate is dying of leukaemia, and Nick tries to spend as much time with her and the baby as possible. He is even neglecting his job as police constable. That leads to several complaints against him because a thief is stealing petrol from cars in the village at night. Not even sergeant Blaketon's police car escapes the thief.

Frank Mellor has promised Eddie King that he could rent his Aunt Mattie's cottage when she died so that Eddie could marry his girlfriend Brenda, but in stead Mellor has put the place up for sale. When the cottage is auctioned off to Martin Shepherd and his wife the house gets vandalized. A peeping Tom is at work on Lapwing Lane where Brenda lives, and Eddie gets under suspicion for both that and the vandalism. Although Nick's father died during the war his mother Ruby has decided that her life definitely is not over and like a big, white shark she tries to sink her teeth into sergeant Blaketon. When she fails she goes back to London and Kate's Aunt Eileen moves in with Nick in her place.

A young German, Dieter Lotschmeyer, arrives in Aidensfield to visit his father's grave, but he soon discovers that he is not all that popular in the village, because his father was a German bomber pilot during the war and dropped a bomb to lighten his plane before it crashed. The bomb hit a cottage which belonged to Jo Tyler and his family killing both him and his wife, and when the grave is vandalized Tyler's son is the prime suspect. Walter and Hilda Openshaw are on their annual hiking holiday in Aidensfield, but Walter would rather be on a voyage on the Orient Express. He and Greengrass decide to do something about it.

Schoolteacher Barry Jackson's wife Sophie is very ill and not capable of driving a car because of it. Nevertheless she takes the car one day and causes a bit of mayhem in Aidensfield. Soon afterwards Jackson receives threatening letters, and during a school concert somebody sets his house on fire killing Sophie. Malcolm Brown checks into the Aidensfield Arms with his daughter Vicki, but Gina suspects that that something is wrong with them. Apart from that there is an extra resident at the pub - a carrier pigeon, and Gina soon discovers it is very fast bird indeed and they challenge Greengrass to a pigeon race.

During a terrible thunderstorm several people claim to have seen an UFO flying over Aidensfield, and sergeant Blaketon cannot just dismiss the matter because PC Ventress is one of them. Ventress even thinks he was abducted. Bernard and Lily Conway have trouble with their neighbour Ted Halliwell and suspect him of knocking over their milk cans and letting his sheep lose during the storm. Then Conway disappears after an argument with Halliwell. Aunt Eileen has been collecting money for charity on behalf of Hester Jarvis, but when the money gets stolen Jarvis does not want the theft investigated.

One night Gina is awakened by a masked intruder, The Be-Ro Man, who has been breaking in all over North Riding. When he breaks in at the Flax farm their daughter Marion manage to get a close look at him. Claude Greengrass has a new friend. He calls himself Jason Brown, but has an unmistakable likeness to singer/songwriter Bob Dylan and even sounds like him. Brown is joined by two young girls, Paula and Sandra, in a sports car. After a party in Brown's van the two girls go for a fast ride in their car - with tragic consequences for one of them. But which one is it?

PC Rowan is on loan to the CID to investigate local gangster Frank Armstrong. But Rowan has other things on his mind as well. Katie is getting christened and he gets a visit from Jill Criddle, an old friend and colleague from the Met. By request of the CID she teams up with Rowan as his 'floozie'. They soon discover that Armstrong is spreading out his activities to include race horses. Armstrong is not the only one interested in race horses. Greengrass and his friend Billy Black, also known as The Horse Doctor, want to improve the chances of a certain horse in a race. Incidentally Armstrong is also very eager to talk to Black and has sent to goons to get hold of him. Unfortunately Black knows that Nick and Jill are cops!

Arthur Wakesfield surprises a burglar and tries to scare him off, but gets a heart attack from which he later dies in the process. The burglar, John Tinniswood, hardly fares any better, when he comes home because his wife nearly tears his head off, but she still gives him a false alibi when he is arrested for the crime. Wakefield's widow is sure it was him though and starts to follow him around anywhere he goes. Special constable Hector Cowley poses problems of another kind. He is overly officious and a pain in the neck to everybody from sergeant Blaketon and down. And to a lot of other people for that matter. Cowley counts on winning a prize for his gooseberries at the local fair, but somebody destroys them on the night before.

PC Ventress has bought a building plot and wants to build a new home for him and Mrs. Ventress. He has hired Claude Greengrass and David Stockwell to do the digging at the plot. Suddenly they come across a 500 kg highly explosive leftover from World War II. And Greengrass gets trapped right alongside it. PC Rowan starts to evacuate the village while they wait for the bomb squad to dispose of it. To top it all little Colin Ellis has disappeared and is nowhere to be found when the school children and other villagers have been evacuated. During the search for him the police find a dead body at station master Hutton's house. Suddenly the bomb starts ticking!

PC Rowan responses to an anonymous emergency call and find archaeologist Professor Brigstocke dead in his library and the house broken into. The professor was said to hide a treasure and Greengrass decides to find it. Clues lead to the ruins of Saint Columba's Abbey on the Ashfordly estate. But also Mary Secker, who is writing a book on 12th century monasteries, is interested in the ruins. Lord Ashfordly is hosting a fishing party and is not pleased to find fishing net and no fish in his river. Blaketon suspects Greengrass is behind it and when the old scoundrel enters the abbey to look for the treasure, Blaketon is close behind him. They both get trapped and Blaketon breaks a leg when part of the ruins cave in, and Greengrass lights a fire to keep him warm.

An illegal radio station is transmitting from a ship just off the coast outside Whitby. When nurse Bolton starts seeing a young man called Danny the villagers are hearing wedding bells already. But a bit too soon it seems as he turns out to be her brother. Danny helps PC Rowan get a position as a DJ at the illegal radio station. Joe Norton is out of prison after serving a sentence for arson. He wants to turn a new leaf and has sent in an application to join the paratroopers. While he waits for an answer he helps out in PC Rowan's garden and hangs out with old friends. They fix him with a new drug that really sends him flying. Joseph and Greengrass think that George is charging too much for his drinks and decide they can do better end cheaper themselves.

When PC Rowan is on patrol one morning he notices Charles Carter who is camping on private land with his son Simon. But Carter has to permission from the owner of the land. Later Rowan notices man lurking around their caravan. The man introduces himself as Clive Loxton, a friend from London. Later Loxton turns up with a woman called Michelle Blanchard, who claims to be Simon's mother and that Carter has abducted him after they got divorced. By then Simon has been taken to hospital with polio. As president of the local Rugby association sergeant Blaketon is allowed to enter a team of his own. One of the players, Ken Fairbrother, is particularly good and Greengrass offers his services as his manager.

Claude Greengrass is the new lollipop man outside the village school, and PC Rowan gets a complaint from Walter Pettigrew that he suddenly and without warning jumped out onto the street just in front of Pettigrew's car. But Greengrass claims that it was Pettigrew who nearly caused the accident and he is backed up by the new school teacher Jo Weston. Jo Weston is concerned about one of her students, Lizzy McGowan, who is late almost every day. Lizzy's mother lives with her boyfriend Derek Ramsey, who is sent to prison for attacking PCs Rowan, Bellamy and Ventress in a fight at the Aidensfield Arms, but he escapes on the way to the prison. And with good reason too, because the next morning Dorothy McGowan is attacked and badly injured in her home. PC Rowan thinks a mysterious man, who showed up in court, has something to do with it.

Someone has let Bill Ruane's horses out, but he manages to catch them with the help of Jo Weston, who is on an outing with her students. Ruane has financial troubles because nobody has money to pay him. He is suspected to be behind a series of burglaries in the area including one at Ashfordly Hall in which his lordship's game keeper Gillies is knocked down, and part of the loot from that burglary is found at Ruane's stables. Greengrass has a flat tyre, but luckily his is picked up by his nephew Norman and Jeb, Norman's new friend from the American air force. They have a business proposition for him. The have started an import business and need storage space.

Alan Davies reports strange noises from his neighbour Adrian Shaw's house, but Shaw claims that there were no noises. The same night Davies is frightened out of his home by an intruder and when he returns with PC Rowan they find an envelope with a picture of a little girl. A copy of the same photo is sent to him at his workplace. Trying to make ends meet after Lord Ashfordly has increased the rent for the Aidensfield Arms George starts to serve food at the pub, and Greengrass suggests he adds pheasants to the menu. Pellet free guaranteed! Gina returns from a trip to Liverpool and brings back a new boyfriend Anton, who is a cook. Things are also developing between Nick Rowan and Jo Weston who have become very friendly lately.

Harry Schofield's great ambition is that his son Len becomes a professional cricket player, but when Len is not accepted at cricket training, he runs away from home. Joss Harrop has a couple of mares he wants covered, but stud fees have risen and he cannot afford it. Greengrass has a perfect solution to that. They "borrow" lord Ashfordly's race horse Ashfordly Lad for a couple of hours and return the stud before anybody notices it is missing. That is a lot easier said than done. Not getting hold of the horse that is, but returning it!

A large quantity of fine wine has been stolen from a wholesaler's warehouse and the police think it is an inside job, because the burglar alarm was switched off. The prime suspect is the haulier Charlie Wallace. PC Rowan finds out that Alf Ventress has lost a lot of money at cards to Wallace and cannot settle his debts. Rowan decides to help his friend and colleague and trap Wallace at the same time. Lord Ashfordly has had intruders on his estate and when he catches Greengrass red-handed at poaching he hires the old scoundrel as a guard to keep off the intruders - unpaid of course.

Michael Harvey is mortally ill and his son Ronnie and his girlfriend Susan is preparing a surprise party to celebrate his birthday, which he knows will be his last. During the party Michael Harvey asks Susan to be his wife. Shocked the young woman rushes out of the house and rides away on her bicycle. On her way home she has an accident and nurse Bolton is suspected of causing it, but PC Rowan thinks that something is not quite right, and Susan's bike is missing. Greengrass buys a rare samovar from a family of Russian gypsies, but discovers that there are more "rare" Russian samovars around. PC Rowan is thinking of getting a promotion and wants to take his sergeant's exams.

A fire breaks out at Webster's Hotel. Fortunately the fire is discovered in time and damages are limited to a work shop. The manager Ralph Webster is not satisfied that it was caused by faulty wiring and asks PC Rowan to look into it and especially Brian Rogers. When Webster sacks Rogers he gets drunk and threatens a taxi driver. Rogers even points a gun at PC Rowan, who has come to investigate, and barricades himself in his flat. Posh fashion photographer Jansson is scouting for locations and also wants to hire both Gina and Greengrass in addition to his regular models Michelle and Sylvie. Nick Rowan and Jo Weston are planning on going away on a romantic weekend together.

Reggie Rawlins has a business proposition for George and Gina that will boost trade in the Aidensfield Arms - he will lease a jukebox to them. Rawlins also enters into partnership with his old friend Greengrass, who will collect the takings from the jukeboxes. A couple of bullies have been smashing up jukeboxes all over North Riding and soon the one at the Aidensfield Arms is targeted too. Only jukeboxes leased from the company L.E.W. are not destroyed, and PC Rowan thinks it will be worthwhile to look into the company and its owners Anita Setters and Andy Farley. Things have cooled off between Nick and Jo after he had to cancel their romantic weekend due to his police duties.

Jeb Hunter is attacked and robbed in his own home and suspicion falls on Errol Jones, an old acquaintance of PC Rowan from London, when a ballpoint pen belonging to him is found on the scene of the crime. It does not do any good to Jones' case that he is black. The talk of the village is the annual cricket match between Aidensfield and Whitby, and Greengrass is of course accepting bets on the outcome in addition to selling pesticides and fertilizers. He gets a special interest in Jones when he learns that he is good at playing cricket. And he is not the only one, but for quite another reason. Nicks mother Ruby is back in Aidensfield much to the dismay of sergeant Blaketon.

It is time for the annual match for the coits championship between Aidensfield and Holinsby. Jack Abbott is playing for the Holinsby team and at the same time having an affair with his team captain's wife Annie. When his own pregnant wife Jean finds out by accident, she drives off in their car, and Jack has to go home on the team bus. Donald Smethwick loses control of the bus, which runs off the road and down a slope. Ruby has managed to patch up the relationship between Nick and Jo, and Jo has decided it is time to introduce him to her parents. Jo's mother is not pleased to learn that Nick is a village bobby and a widower with a daughter.

Billy and Timmy earn a little extra pocket money by collecting golf balls. One day Billy finds his friend assaulted in the woods by the golf course. Jimmy says he was attacked by a man sitting in a grey Jaguar with another man and a lot of papers. He even identifies the man from a photograph that PC Rowan has borrowed from the club secretary Harry Fell. Severe stomach pains prevent Greengrass from placing a bet for a "friend", and the old scoundrel wishes he could disappear. Changes are on the way within the police and Inspector Barry commandeers sergeant Blaketon's office while he makes his report. Blaketon fears for his position and starts looking for another job.

Sandra Croft gets drunk because her boyfriend has left her and accidentally sets fire to her apartment. Luckily she is saved without any injuries by PC Rowan. The incident makes Sandra fall in love with Nick, but she turns resentful and revengeful when he does not return her affection. Greengrass has a new scheme: guided tours and bird watching! But he soon finds out that there is more to it than just setting up a shelter as a hide, handing out copied old maps and then collect the money.

Susannah Temple-Richards is back in Aidensfield after serving her prison sentence. One day an old "friend" from prison, Maureen Bristow, is on her doorstep and asks if she could stay for a couple of days. But Susannah does not know that Maureen has broken out of prison and needs a place to stay until she can get out of the country with her boyfriend. When she finds out she gets into real danger. Gina has a new boyfriend, and she gets really sad when he leaves her for an older woman. Claude Greengrass has bought an old bureau at an auction believing it to be full of valuables. It is not - or at least he cannot find any.

Joyce Jowett has just lost her husband when a stranger called Nigel Wheeler turns up in Aidensfield asking for him. He is a financial advisor and while he is in the area he might as well visit other potential customers. One of them is Jo Weston and PC Rowan decides to take a closer look at him. George Ward and other villagers have received malicious letters. The only lead is that they are all written on the same typewriter.

Ronnie Savage escapes during transport from one prison to another, and the Ashfordly police is asked to assist Inspector Jennings from CID catching him again. They discover that Savage will be leaving the country on a trawler from Whitby and PC Rowan goes undercover at the local fish market to find out when Savage will be leaving. While he is there he finds out that the foreman Penrice has a sideline selling fish undeclared. Unfortunately Greengrass is one of his customers and he may blow Nick's cover by accident. Aunt Eileen gets a surprise visit by and old, dear friend, Antonin Clarion, who asks her to marry him and go with him back to France. And PC Rowan has passed his sergeants exam.

Christmas is near and there is the traditional nativity play at the village hall with PC Ventress as Santa Claus. Greengrass is supplying half the village with geese, but demand has been higher than expected and he is four birds short. He sends David to pick them up, but the snow causes him to drive off the road and he has to continue on foot to get help. David is not the only one in trouble because of the weather. A bus full of old people from Elsinby gets lost, and Phil Bellamy, who is giving Ventress a lift to Aidensfield, gets stuck in the snow. The falling snow also causes a small plane to crash not far from the police house and Nick and Jo go to see if they can be of any help. They find a very pregnant woman, Sophie, in the plane and tracks in the snow indicate that she was not alone.

PC Bellamy surprises a burglar at the Kettley's Coaches bus company, and he and PC Rowan apprehends Keith Megson, an old friend of the police. Megson disposes of the loot before they catch him, and Megson's sleazy lawyer Sellars demands his immediate release. Megson is released on bail in the custody of the well-known pillar to society Claude Jeremiah Greengrass. There is a series of break-ins at older people's homes, and Megson claims the police are trying to pin them on him. Greengrass, who is fed up with the situation, cannot supply him with an alibi and decides never to let him out of sight. Not even when Megson visits his wealthy fiancée Marilyn. Gina is alone in the pub because her uncle has been taken ill. Nick and Jo are getting married and soon it is the worst kept secret in Aidensfield. As expected her mother is not too thrilled about the idea.

Somebody has "deposited" a truckload of pig manure in the driveway of special constable Hector Cowley. He correctly blames his neighbour "Sweaty" Betty Sutch and her son Simon and goes to their farm to sort out the matter. The next morning the coat of his uniform is found in their pigsty unlike himself, who is nowhere to be found. When his boots, trousers and other items belonging to him are found at the same place, rumour has it that he has been eaten by the pigs. Greengrass has a surprise visitor, Ellen Birley, an old friend from his past. She moves in with him and soon he enjoys the pleasure of well-cooked meals and clean clothes. But before long he misses the good old days, when they were only himself and Alfred.

Bag-snatchers are at large in Ashfordly and the police know that Ian 'Duster' Murray and Robert 'Red' Broadbent are the perpetrators, but cannot prove it. When they attack Phil Bellamy's grandmother he takes it personally and gets determined to see them behind bars at any cost. Greengrass is also in great demand. Mr. Braithwaite has died and his daughters Joan and Norma are convinced that he hid his will in his stuffed prize ram and that Greengrass knows where it is. Jo's mother has become ill and she does her best to make Jo feel bad about it, because she will not break up her engagement to Nick and Fiona Weston cannot keep up appearances when her daughter is married to a common village bobby.

Jean Lightfoot believes she is being followed and she receives mysterious phone calls. One day she finds a strange, well dressed woman at her doorstep, Susan Williamson, who claims to be an old sweetheart of Jean's husband Derek, but he says he has never seen her before. The Australian couple Len and Julie Wilcox is in Aidensfield to look for relatives. When Greengrass discovers they have plenty of money he offers his services to them - for a small fee of course. He also discovers that they are distant relatives of his and tries to sell them "valuable heirlooms". Jo and her father have to cope with her mother's death and take care of funeral arrangements.

Charlie Fenton has just picked up his girlfriend, Lisa, from the train station, when they nearly run down a little boy Justin, who is saved at the last moment by his grandfather Alec Oxley. Oxley reports the incident to the police because he smells alcohol in Fenton's breath. When PC Rowan lets Fenton off with a warning, Oxley takes matters in his own hand Greengrass gets a very unwelcome visitor, his big brother Cyril. Cyril is on the lookout for a weekend cottage. But his wife Edith does not necessarily need to know. Claude is more interested in taking a ride in Cyril's Rolls Royce. Gina has got a new boyfriend, Steve, who is helping out at the pub. Nick is concerned about his future father-in-law, who seems to have lost his will to live after his wife's funeral.

A group of farmers are hunting for a dog, which has killed some of their sheep, when one of them, Richard Ealham, gets hit by a shot. Most likely suspect is Jeff Kean, who has just found out that his wife Sheila is having an affair with Ealham. There is great demand for the famous Aidensfield buns, but Bill Dyson is the only one, who knows the recipe, and he does not want to give it to his sons, who runs the bakery, because he has become senile, but do not get along with each other. Instead he trusts it to Greengrass in a clear moment just in case he should forget it one day. Gina gets a letter from her uncle, which says that he will not be able to return to the pub anymore and that he will give up his license.

Greengrass has a soft job cleaning Lord Ashfordly's lawns for moles. To ensure a lasting employment him and David puts the moles back again at night. One night they are surprised by his lordship's sister Patricia, who is drunk as a skunk. It soon becomes clear that she has a drinking problem, and she is convinced that the law against drunk driving does not apply to nobilities like herself. She also has a soft spot for Steve's father Harry, whom she had a crush on when they were young. When Lord Ashfordly is away hunting for a couple of days Greengrass decides "to put Ashfordly Hall on the map" as he calls it and he organizes a poaching party in his lordship's absence.

Sammy Maxton is found injured on Shafton Moor and witnesses heard a shot and saw Barry Rooksby running from the scene and driving away with is daughter Suzy. Rooksby has recently lost his job as game keeper and blames Maxton for telling lies about him to get the job himself. Alice Jessop is released from hospital after a stroke and hires the butler Alan Lester to look after her. A couple of days later Eileen discovers that a valuable clock is missing from Mrs. Jessop's home Gina is nervous because she has to appear in court to apply for the license to run the Aidensfield Arms. Steve tries to comfort her, but his mind is more occupied by the American pool match, which Greengrass is arranging. But his pool table is confiscated as evidence when it turns out that it was stolen, and Greengrass is under pressure to get a new one. He soon finds out that American pool tables are rare in North Riding. The preparations for Nick's and Jo's wedding are in full swing, and Phil is hoping that Nick will ask him to be the best man. A ghost from nurse Bolton's past arrives in Aidensfield. Her husband Neil who hopes they can back together again.

The day of Nick's and Jo's wedding has arrived. To calm his nerves Nick takes a ride in his car when he is flagged down by a woman because of an accident. Suddenly the woman drives away in his car and Nick is stuck miles away from everywhere on the moors with an injured man on his hands. He manages to get the man to hospital, but time is getting short if he has to make it to the church in time. Sergeant Blaketon's day of retirement is nearing and he has applied for a year's extension of service, but the news from his medical exam is not good. News is not all bad though because they will also get a new police constable in Ashfordly.

Sergeant Blaketon is out on patrol when he is overtaken by a long-haired bully wearing a leather jacket on a motorcycle. He catches up with him while he is parked at a petrol station, and when he is asked for his name the "bully" introduces himself as Mike Bradley, the new police constable. After getting a much needed haircut PC Bradley soon has his baptism of fire when two armed criminals take Greengrass and Gina hostage so that they can hide in their catering truck and get into a pipeline compound to empty the safe. And they make it very clear that they are not afraid to use their firearms. Blaketon has a hard time facing retirement and asks for more tests, but he has to wait another week for the results of these tests. His heart will give him an answer much sooner than that.

Nick and Jo Rowan return from their honeymoon in Spain. They find out that he has been made acting sergeant at the Ashfordly police station, while Blaketon has taken over the post office. A fair is visiting Aidensfield and one of its main attractions is the wall of death and its riders Dirk and Liam. Especially 15-year old Tracey Knight is fascinated by Dirk who has promised her a spot on the show. Dirk is seriously injured when he crashes off the wall during practice. The police soon find out it was not an accident. Another attraction is the mouse show, which Greengrass' lurcher Alfred decides by eating the favourite owned by the very unpopular Trevor Lammas. The next day Greengrass finds his dog lying on the floor with all signs of poisoning and accuses Lammas, who starts to have a series of small mishaps.

Demand for TV sets is high due to Christmas and the upcoming message from her majesty the queen, and especially one customer, Jim Brody, is set on getting a new set - in colour. But only if he gets the very first colour TV set in the area. That is one of the reasons why Rex Hawkins TV rentals and repair shop is very popular and Hawkins is also very popular among the wives of his customers. But he is bullied by Lol Baxter because has failed to pay for a shipment of very cheap, but defective TV sets. Also PC Ventress carries a grudge against Hawkins because Hawkins got him sacked from the local choir. So when Hawkins is attacked outside the Aidensfield Arms there are a lot of suspects to choose from.

Greengrass buys a used police car at an auction, where Bernie Scripps recognizes the former racing driver Russell Palmer, who now works for his cousin Keith Hibbert. Hibbert and Palmer are arrested after a brawl at the Aidensfield Arms and have to spend the night in prison at the police station under the watchful eyes of PC Bradley, who has the night watch. During the night Palmer complains of head aches and early next morning he is found dead in his cell. Hibbert accuses PC Bradley of beating Palmer up and thus causing his death. Acting sergeant Rowan has no other option than to launch a full investigation and suspend Bradley. Meanwhile Greengrass has converted his police car into a taxi cab and happens to overhear a little too much on his radio.