Richard Hannay is a Canadian visitor to London. At the end of "Mr Memory"'s show in a music hall, he meets Annabella Smith, who is running away from secret agents. He agrees to hide her in his flat, but she is murdered during the night. Fearing that he could be accused of the murder, Hannay goes on the run to break the spy ring.
The 39 Steps
A man in London tries to help a counter-espionage agent, but when the agent is killed and the man stands accused, he must go on the run to save himself and stop a spy ring that is trying to steal top-secret information.