Michel Desnoyer has turned his private life into a comic stage play. But the volcanic Ecaterina is not at all pleased to find out that Michel's sister is the mistress of the man she loves.

• Les Films Minerva
• Sacha Guitry
• Mireille Perrey
• Robert Seller
• Lana Marconi
• Jeanne Fusier-Gir
• Michel Nastorg
• Jacques d'Herville
• Solange Varenne