A young priest works as a barman in a Pigalle cafe in Paris. He tries to prevent the women there to prostitute themselves....

Lyane is a singer and daughter of the producer of the operetta: "C'est une fille de Paris". She convinces the composer of the music, Jacques Kellermann, whom she loves, to sign her piece. The famous composer Jean Paget, who cannot put the work to his advantage, declares to Jacques that Lyane had a child by him. Shocked, Jacques breaks with the singer who soon knows the celebrity. Finally, he realizes that happiness is ready to be seized, because the beauty still loves him...

Against a backdrop of music hall and comedy acts, a Pigalle cabaret is famous for the activities of real and fake maharajas. One of them buys the cabaret and turns the checkroom attendant Annie into a real star. The maharajah then takes her to his kingdom, returning the place to its original manager.