Steele's mentor, Daniel Chalmers, comes to California to ask for Steele's help in dealing with a vindictive crook.

Daniel Chalmers enters Steele's life again when it appears that he is about to inherit an English title, its fortune and some enemies.

Laura races with Scotland Yard to locate Steele, who has become involved in murder while searching for a man with a clue to his past. Steele masquerades as an assassin hired by Daniel Chalmers to kill the Earl of Claridge.

Laura and Steele visit the Irish castle he's inherited and decide to hide Tony there until he can prove he isn't a double agent. Daniel Chalmers must turn him over to the KGB as part of a scam he is running to help the daughter of an old friend.

Laura and Steele visit the Irish castle he's inherited and decide to hide Tony there until he can prove he isn't a double agent. Daniel Chalmers must turn him over to the KGB as part of a scam he is running to help the daughter of an old friend.