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.

Vernon Scripps has really made a killing on the paintings he bought from Steve Crane's mother. He kept one of them though. The one called "Tower Bridge". He organizes an auction for the benefit of Sir Nigel Fethersone's charity foundation and is "persuaded" by Oscar Blaketon to donate the "Tower Bridge" painting himself. But somebody steals the painting and he gets David to make a duplicate. Jenny surprises an intruder at Sergeant Merton's house. He does not hurt her, but only looks firmly at her and walks calmly away. The intruder is Eddie Harvey and he wants the sergeant to tell him the name of the man who grassed on him and an accomplice on a bank robbery. If Merton does not yield Harvey will kill Jenny.