When the City stockbroker firm of Macintyre & Son records a substantial yearly profit, its senior staff are each promised a £50 bonus. But their hasty plans for spending their windfalls are put in jeopardy the following morning, as a set of negotiable bonds are discovered missing.

A government agent is returning from France with secret blueprints that were stolen from his government. On the train ride home, thieves break into his compartment and murder him.

A comedy of mistaken identities aboard a cruise ship, in which several people are thrown together by the matrimonial magazine Get Together: Dick Holmes, a reporter looking for a story good enough to save his job; Betty Foster, hoping to investigate the man interested in marrying her aunt Emily; and Horace Godwin, the magazine's editor, who is trying to avoid becoming engaged to Penelope Hackworth-Pratt.

Mother Riley plays a nurse who was forced to volunteer for the Auxiliary Territorial Service. Mayhem ensues until she is able to prevent German spies from acquiring important documents.

Betty driver vehicle

Mr. Reeder, a somewhat eccentric old gentleman employed by the Director of Public Prosecutions, gets it into his head to break up a counterfeiting ring.