A few days before the baccalaureate, a high school student decides to settle accounts with the most cowardly teacher in the school.
Alain Moreau sings for one of the few remaining dance-bands in Clermont-Ferrand. Though something of an idol amongst his female audience he has a melancholic awareness of the slow disappearance of that audience and of his advancing years. He is completely knocked off balance when he meets strikingly attractive and much younger businesswoman Marion. She seems distant and apparently otherwise involved but soon shows quiet signs of reciprocating his interest.
Paul and Charlotte are in love. Charlotte discovers she has a grave malady and Paul supports her. But Paul is also attracted to Ninon, another girl. Charlotte accepts Paul to have an affair with her, and the three start a difficult and ambiguous relationship.
