Paris, 1956. Everything is going smoothly for Roger, married to Denise, and Paul, married to Monique, until the day they win a house in a radio contest. The difficulties of living together and the intrusion of their parents-in-law lead to a falling out.

• Gamma Film
• Davis Films
• Roger Pierre
• Jean-Marc Thibault
• Colette Ricard
• Véronique Zuber
• Jean Poiret
• Michel Serrault
• Noël Roquevert
• Jean Richard