Jilted by his fiancee, Arthur Pilbeam gets a job as far away from women as possible. Alone in a lighthouse, he soon finds that 12 other people end up living on the tiny island. Thirteen is an unlucky number; and one-by-one they disappear ...

John Forrest is anticipating a quiet retirement spent penning detective fiction when he learns that a priceless collection of jewels belonging to a foreign potentate, Prince Homouska, has just vanished from the safekeeping of the Stamford Assurance Company. Aided by his butler, his Cockney assistant and his (initially) unwilling wife, Forrest sets out on the trail of the thieves.

In England, an eccentric police inspector, an earnest test pilot and a spunky female reporter team up to solve the mystery of a series of test aircraft which have disappeared without a trace while over the ocean on their maiden flights; unaware, as they are, that a spy ring has been shooting the planes down with a ray machine hidden aboard a salvage vessel which is on hand to haul the downed aircraft aboard, crews and all.

When a wealthy, lonely university music student is beaten and has his apartment trashed by a fellow dorm resident-bully and his gang, he goes mad, lures the bully into his room on pretense of forgiveness, slips him a paralyzing agent in a drink, throws him in a trunk and locks him in, and taunts the bully with the promise that he will be buried alive in the trunk. Only, once he gets his trunk and his prey to his country estate, the vengeful victim finds things keep going wrong...

A simple handyman, who also is an amateur artist, gets into trouble when the head and shoulders portraits of some prominent local females are sold without his knowledge to an advertising agency and are published with nude bodies added to them.

A couple's little girl becomes a movie star, but all it seems to bring is trouble.