From the moment Golo, the gangster owner of a German speakeasy, is hit on the head with a champagne bottle, he morphs into an English secret agent. His German persona is in business and bed with Polish chanteuse Gita Gobel, but his ‘Englishman’ falls head over heels in love with Frieda Bauer, the daughter of the police commissioner intent on shutting down his illegal operation. With different women in love with each personality and a trio of dancing psychiatrists trying to make sense of the situation, hilarity ensues.