A provincial chemist's daughter is to marry her cousin Gilbert.The day before he arrives, a stranger, who has just escaped from an insane asylum, claims he is the famous cousin.

• Les Films Raoul Ploquin
• Dany Robin
• Georges Marchal
• Jean Tissier
• Huguette Duflos
• François Guérin
• Pierre Moncorbier
• Robert Seller
• Micheline Gary