Tinseltown tough guy supreme George Raft (Scarface) stars as a rogue detective obsessed with finding the femme fatale inside a rogues gallery of eye-popping pinups after a composers supposed suicide. Successful songsmith Keith Vincent is a serial seducer of women all brunettes, all dubbed Dolores and he displays his long lone of conquests on his wall in a series of portraits. As he is composing a kiss-off tune for his latest fling, the haunting Nocturne, Vincent learns the true meaning of lady killer. Vincents shooting may prove the perfect crime, as all evidence points to suicide. But dogged homicide dick Joe Warne (Raft) isnt buying it, and hes willing to go to any lengths to prove his hunch that its murder. Joes fixation only deepens when he encounters Vincents most recent flame, Frances Ransom (Lynn Bari), who appears to command a very high proved. Produced by frequent Hitchcock collaborator Joan Harrison.