Industrialist Stéphane is getting a bit long in the tooth, but is still an incredibly charming man. When his wife Sophie goes away for the Easter weekend, he meets the attractive Julie by chance. The old philanderer takes her home with him to seduce the young lady. Due to an unforeseen strike, his wife Sophie is unable to fly out as planned and suddenly appears on the scene. Out of necessity, Stéphane unceremoniously introduces Julie as his daughter...