A young couple go to check out a house they're thinking of buying. A somewhat mysterious woman tells the couple several stories of the fates that befell the house's previous owners.

Vacationing at a resort hotel in Spain, a man discovers he is the only one not mixed up one way or another in murder, drugs and microfilm smuggling. But, the police are after him!

A returning moon capsule goes off course and lands in Africa where a little-known tribe finds it. Washington sends Matthew Merriwether to recover it—thinking he's an expert on the region—when in fact he's no such thing. However, a foreign power sends Secret Agent Luba to try and acquire the capsule for itself and, when Matthew and Luba reach their destination, they find that the tribe believes the capsule to be sacred and won't give it up.

On the French Riviera, movie producer Max Poulton is on location shooting a film starring his lover, Gina Bertini. But when the rueful Max ends his fling with Gina to return to his loyal wife, Carol, the jilted actress threatens to reveal details of their affair to Carol. Later, at a party at Max's villa, investigator Carliss arrives with news that Gina has been killed and that Max is a murderer suspect.

Captain George Bryan Brummell is a British soldier who appreciates fine clothing and innovative dress. Although he initially alienates the Prince of Wales with insulting comments about the prince's uniform designs, he eventually becomes his close confidant. Brummel also falls in love with the beautiful Lady Patricia Belham. However, his outspoken manner eventually leads to his being exiled to France.

An American reporter in Japan is sent to interview an eccentric Japanese scientist working on bizarre experiments in his mountain laboratory. When the doctor realizes that the hapless correspondent is the perfect subject for his next experiment, he drugs the unfortunate man and injects him with a serum that gradually transforms him into a hideous, two-headed monster.