Special investigator Duke Martin is in London to investigate the authenticity of a rare postage stamp called the Barbados Overplate. Someone is willing to commit murder to get his or her hands on the stamp, which puts a crimp in Duke's efforts to romance every beautiful woman he meets.

Betsy Richards, a hard-working widow, tries to solve the domestic problems of her three grown-up sons.

A jeweller is killed in a gang robbery leaving the daughter as the only witness. When the police can't build a case against him she decides to go undercover to infiltrate the home of the killer's brother. Slowly she is drawn into the world of the rival gangs.

A crime reporter investigating a murder discovers the case hinges on a mysterious woman he had photographed earlier.

An asocial and enigmatic office clerk refuses to do his work, leaving it up to his boss to decide what should be done with him.

A young man will inherit a huge fortune--8 million pounds--but to qualify, he must spend a million pounds in just two months. Easy to do? That's what you think!