P.C. George Dixon is a long-serving traditional copper who is due to retire shortly. He takes a new recruit under his aegis and introduces him to the easy-going night beat. Dixon is a classic ordinary hero but also anachronistic, unprepared and unable to answer the violence of the 1950s.

Jean and Bill are a married couple trying to scrape a living. Out of the blue they receive a telegram informing them Bill's long-lost uncle has died and left them his business—a cinema in the town of Sloughborough. Unfortunately they can't sell it for the fortune they hoped as they discover it is falling down and almost worthless.

Jewel thieves, murder, and a manhunt swirl around a sailor off a cargo ship in post-war London.

A girl tracks down the gang who had her detective brother killed.

Five oddball criminals planning a bank robbery rent rooms on a cul-de-sac from an octogenarian widow under the pretext that they are classical musicians.

A megalomaniac dictator, in charge of a former colony, installs a nuclear bomb in its London Embassy. He threatens to set it off, unless a huge ransom is paid. The question for the government is whether he will set it off anyway?

Anthony Richmond schemes to get the fortune of his tyrannical, wheelchair-using tycoon uncle Charles Richmond by persuading Maria, a nurse he employs, to marry him.