A psychiatrist treats a woman who is convinced that she turns into a killer leopard because of a family curse.

A man tells his wife that the police are after him for having killed a bookie during an alcoholic binge, but that he is innocent and is being framed for the murder. The wife and her brother hide him and try to find out who the real killer was. The more they investigate, the more holes they begin to find in the husband's story.

Someone knocked out a man and left him for dead during a fishing trip in Portugal. That someone is either his fetching wife, or two business partners, all sporting guilty faces after his unexpected return. Two more murders and a frame-up befall the quartet before an inspector closes the case.

English doctor John Winthrop (Francis Matthews) must protect his new wife, Ann (Kay Callard), from his wealthy and entirely too overbearing mother, Katherine (Margaretta Scott), who has some strong opinions about her son's new union. But things go too far when John accuses Katherine of trying to kill Ann with medication. Could she do such a thing -- and will these three ever have a good relationship?

An insurance investigator tumbles onto a series of similar deaths, by brain hemorrhage, of patients of a psychiatric clinic in France where therapy involves a device which can implant visual imagery in the minds of patients, ostensibly to help them relax.

Interpol detective Caesar Smith tracks robbers of the Royal Mint van. He travels to Rio de Janeiro, Rome and Paris and establishes the guilt of a London coffee importer.

Paul Maxwell plays Craig Owen, an incarcerated criminal whose cellmate holds the secret to the valuable contents within a safe deposit box. When the cellmate dies, Owen breaks out of jail in search of the stash. Unable to open the box, the fugitive abducts Linda (Felicity Young), the dead man's daughter. Tension mounts as the girl plays for time to prevent her own demise.

A gang of four would-be robbers plans to steal a fortune in currency hidden aboard the "Flying Scotsman" in a railroad stateroom by cutting through the wall of the adjacent stateroom, but find themselves up against numerous unexpected drawbacks, including interference by their fellow passengers.

Feature film derived from edited episodes of the television series "Secret File, U.S.A."

In this suspense movie, a Yankee mercenary is hired to blow up an Arab dignitary.