When Johnny Matlock whisks away a cold war secret from under the noses of Berlin's top secret agents, his every move is followed when he returns to England. His girlfriend Paula is kidnapped but her handbag is discovered at the scene of the crime by the aristocratic private eye, Duke Martin. Inside it he discovers the secret formula that the agents are searching for and tracks down her sister Paula. As Johnny grows frantic for the safe return of his girlfriend, Duke Martin plays a deadly game of double bluff with the enemy agents.

A boxer is lured into a murder plot by a scheming woman.

Londoner Harry Fabian is a second-rate con man looking for an angle. After years of putting up with Harry's schemes, his girlfriend, Mary, becomes fed up when he taps her for yet another loan.

In this crime drama, a man learns that he has six months left to live, and before he dies he decides to get revenge against the man responsible for his incarceration. First he hires a man to kill him and frame the traitor. Later the fellow learns that he is not sick after all. Fortunately his hit man died. Later the man he wants to avenge has a final showdown with him. A struggle ensues and the fellow kills his enemy in self-defense.