The 39 Steps (1935)

While traveling in continental Europe, a rich young playgirl realizes that an elderly lady seems to have disappeared from the train.

A young woman discovers her visiting "Uncle Charlie" may not be the man he seems to be.

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.

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

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

After three British agents are assigned to assassinate a mysterious German spy during World War I, two of them become ambivalent when their duty to the mission conflicts with their consciences.

Several survivors of a torpedoed ship find themselves in the same boat with one of the men who sunk it.

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

A family vacationing in Morocco accidentally stumble on to an assassination plot and the conspirators are determined to prevent them from interfering.

When a reformed jewel thief is suspected of returning to his former occupation, he must ferret out the real thief in order to prove his innocence.