A man in London tries to help a counterespionage agent. But when the agent is killed and the man stands accused, he must go on the run to both save himself and also stop a spy ring which is trying to steal top secret information.

A young woman discovers her visiting uncle may not be the man he seems to be.

A psychiatrist protects the identity of an amnesia patient accused of murder while attempting to recover his memory.

A shy young heiress marries a charming gentleman, and soon begins to suspect he is planning to murder her.

A Scotland Yard undercover detective is on the trail of a saboteur who is part of a plot to set off a bomb in London. But when the detective's cover is blown, the plot begins to unravel.

A man and his wife receive a clue to an imminent assassination attempt, only to learn that their daughter has been kidnapped to keep them quiet.

On the eve of World War II, a young American reporter tries to expose enemy agents in London.

Aircraft factory worker Barry Kane goes on the run across the United States when he is wrongly accused of starting a fire that killed his best friend.

A woman is asked to spy on a group of Nazi friends in South America. How far will she have to go to ingratiate herself with them?

A self-conscious bride is tormented by the memory of her husband's dead first wife.

In Cornwall in 1819, a young woman discovers that she's living near a gang of criminals who arrange shipwrecks for profit.

Man on the run from a murder charge enlists a beautiful stranger who must put herself at risk for his cause.