Rich bourgeois, very respectable-looking, Jacques Etienne , his wife Jacqueline and their two children, a kind of eighteen, and Stephen Benedict, lead a quiet and rather boring life in a large family home.
But one day in the life of the house, there is a young lady that just blows all its foundations and traditions. Pretty clever and skillfully intriguing. She slowly seduces all family members and helps them open, of course, not without benefits for themselves, diverse carnal pleasures, allowing seduced to satisfy their deepest desires