The mastermind behind a ubiquitous spy operation learns of a dangerous romance between a Russian lady in his employ and a dashing agent from the government's secret service.

• UFA
• Fritz Lang-Film
• Rudolf Klein-Rogge
• Gerda Maurus
• Lien Deyers
• Louis Ralph
• Willy Fritsch
• Paul Hörbiger
• Fritz Rasp
• Craighall Sherry