During a visit to childhood friend Edith, retired housewife Hetty Wainthropp discovers that Edith's husband, Frank, has a son by a previous marriage. Hetty decides to turn amateur detective to trace him. When this gives her a taste for detection, Hetty decides to set up a private detective agency.

Having become obsessed with her, a man kidnaps a night club stripper.

Two long distance truck drivers talk about their sexual escapades to each other using CB Radio.