Industrial tycoon Stéphane Margelle is an incorrigible lady's man. Caught by his wife Sophie in company of a charming young lady, Julie, he rushes to introduce the young woman as his daughter from a previous marriage. Sophie is not taken in but nonetheless decides to play him at his own game. And Stéphane gets trapped in his web of lies.

Director: Georges Lautner

Writer: Jean Poiret

Actors: Jean-Paul Belmondo, Sophie Marceau, Marie Laforêt

Production: N/A