A bored millionaire wagers his doctor that he can support himself at a working class job for a year without touching his inheritance.

Third and final film in the 'Inspector Hornleigh’ series of comedy-thrillers. Inspector Hornleigh (Gordon Harker), disappointed at not being handed an important spy case, is assigned by Scotland Yard to an army barracks to investigate the mundane thefts of supplies from the stores. This accidentally leads Hornleigh and Sergeant Bingham (Alastair Sim) to a nest of fifth columnists when his dim-witted assistant carelessly talks to a girl in the cafeteria – and that night, news of Hornleigh and Bingham’s arrival is embarrassingly transmitted back to Germany.

A young Scotland Yard police academy recruit tries to break up a gang of thieves.

Unsuccessful writer Aylmer Franklyn takes the chance to change identities after he discovers a corpse. However, he soon finds himself accused of the murder of a maid at a near-by boarding house.

A man pays a hitman to kill him. Circumstances change and he tries to call off the hit but he has trouble getting the deal killed.

Molly and Bee, sweet young 'working girls,' live in a cheap room over a New York grocery store. Molly's idol, wealthy Jack Cromwell, lives in a Long Island mansion but is markedly less happy, since his fiancée Jane won't discourage her other admirers. Fleeing in his car, Jack ends up in an urban block party where he meets you-know-who.

A man is accused of a series of murders that were actually committed by a crazed killer called "The Tiger." He must prove his innocence and catch the murderer.

A serial killer terrorizes London. Each victim is found with a telegram signed "The Marquis." There seems to be no other common thread between the victims, and Scotland Yard is baffled. Novelist and amateur sleuth, Paul Temple, is warned to stay away from the case, but he and his glamorous wife Steve can never refuse a good mystery.