Françoise and her husband Jean-Pierre invite some friend couples to spend a weekend in their large villa on the Portuguese coast. What follows is a romantic intrigue, with each character discovering a little more about themselves.
In the docks of Bordeaux a well-known homosexual was murdered. Police Inspector Michel Verta starts investigating, when he falls in love with Bernard, a handsome young musician. This not only threatens his family life but also his integrity, for he is married with a child and Bernard is one of the murder suspects.
Nicole, nurse in Grenoble, is raped one night by four men. Deeply scarred, emotionally and physically, she thinks she will never recover from the trauma. Following a friend's advice, she decides to file a lawsuit.
Steph, Jean-Claude and Jacques work in a Parisian art shop, but they mainly work in the field of eroticism, which they conceive as a wide-ranging field of exercises and experiments.
