A French diplomat who's recovered from amnesia is blackmailed over crimes he can't remember.
Acting
Powell's amnesiac confusion vs. Rathbone's silky menace.
Costume
Lamarr's wardrobe alone justifies Technicolor dreams.
Production
Paris sets so lush you'll forget it's MGM backlots.

Director
Jack Conway
Trivia, insights & behind the scenes
Lamarr was simultaneously developing frequency-hopping technology for torpedoes during production; she reportedly found acting less stimulating than inventing.
Powell's post-Thin Man amnesia roles reflect 1940s cultural anxiety about shell shock and fractured identity, filtered through escapist glamour.