Pierre Lachenay is a well-known publisher and lecturer, married to Franca and father of Sabine. He starts a love affair with air hostess Nicole, which Pierre is hiding, but he cannot stay away from her.
A superficial woman finds conflict choosing between her abusive husband and her vain lover.
Lyons, France. Michel Descombes is a watchmaker who lives alone with his teenage son Bernard. When the police visit and informs him that Bernard killed a man and is on the run with a girl, Michel realizes that he knew far less about his son than he thought.