When Galland dies mysteriously, Mitchum, who once worked for him, decides to unravel his mysterious past. He travels to Vienna and learns Galland was a tycoon blackmailer, but the proof of his nefarious past is shrouded with the death of an informant, whose killer appears to be Page,
Galland's widow. O'Brady, a professional agent hired to look into Galland's past, bumps into Mitchum, and the two agree to help each other. Mitchum follows leads to Stockholm, where he meets Thulin, falling in love with her. Thulin's father had been a traitor during WW II, and Galland had been
blackmailing him, finally driving him to suicide. Mitchum and Thulin return to Vienna where f...