Échange de femmes pour le week-end (1985)

Michel and his wife Chantal's sex life has become boring. He has affair with his secretary, Francoise. And she an affair with Claude. Without knowing each other the couple take their lovers and go on holiday in their chalet on the Alps for a weekend to satisfy their fantasies and impulses. At the chalet everyone starts playing his/her a little game with each other. During a picnic they meet a hippy couple, and have an al fresco orgy. Meeting this libertine couple will change their daily lives, the chaos is just perfect.