Charles Leeds

While in London trying to nab several fugitives who stole a million dollars from a U.S. Treasury vault, American federal agent Dennison (Dennis O'Keefe) assists Scotland Yard Insp. McClaren (Philip Friend) in his search for a missing atomic scientist (Paul Hardtmuth). The detective duo discovers that the key to solving both cases may rest with the scientist's daughter (Margaret Sheridan) and her fascinating diamond.

A doctor becomes the victim of extortionists when one of his patients dies under questionable circumstances.

A blind and deaf woman dedicates her life and sacrifices all she has for her son, a good-for-nothing troublemaker who gets mixed up with a criminal gang that tries to frame him for a robbery.

A woman travels to England to attend her parents' funeral. She is told by officials that they died of natural causes together, but she doesn't buy it. She comes to suspect that the nurse who took care of her parents was involved in their deaths, but since the nurse is well thought of in the town, no one believes her. What she doesn't know is that her parents' killer has selected her as the next victim

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.

Several stories linked by a hat.

Following WW II, a U.S. army officer stationed in West Germany is assigned with keeping classified information away from the Communists. Unfortunately, Red spies know that he suffers from sudden black-outs and use this to hypnotise him, and make it appear that he is a traitor.

Travel agent Emrys Jones and tourist Patricia Dainton fall in love in sunny Italy. Jones has led Dainton to believe that he's fabulously wealthy, and she has likewise deceived him. When the truth inevitably outs, it hardly matters, since hero and heroine now love each other for themselves rather than their bank accounts.

A London cabby finds a greyhound puppy in his cab, and gives it to his daughter. She raises it and trains it up at the race tracks; and in spite of crooked rival owners, the dog eventually wins the Greyhound Derby.