After a driving accident, Drake finds he has a £500 gambling debt at a club he has no knowledge of, yet the staff seem to know him, and the club's manager, Mr. Alexander knows all about Drake's career with M9, and plans to blackmail him.

Drake follows a young lady, who has been selling secrets, to France where he confronts her with what he knows. Kathleen is being blackmailed and her role is to take the information to France. She offers to help Drake find who employs her.