Alec Formby and his fiancée Sonia Harding are on route with a radioactive isotope to a laboratory in Leeds and make a stop at the Aidensfield Arms to get something to eat. When they have finished their car has been stolen. The Police recover the car again after it has been involved in an accident, but the lead bottle containing the isotope is gone. Greengrass' brother Cyril calls on him with a business proposition He has bought a racing dog and needs a place to keep it for a couple of days. The dog is very fast and Greengrass races the dog without his brother's knowledge.

After her brother Eric's and his wife Joan's death in a car accident Peggy Tatton has to move from the farm where she has lived all her life, because according to the law the farm now belongs to Joan's son John Fraser, but when Gina comes to pick her up, she decides to stay. To stop the sale of the farm she seeks legal advice from Jackie Lambert, the niece of Eric Tatton's solicitor, but she also resorts to more drastic measures. Phil Bellamy is on the lookout for a place to stay and he rents a flat from Kenny Galloway through Claude Greengrass. A bad idea because Galloway owes somebody a lot of money. Somebody who sends a heavy, Baz, to collect it.