François, director of a primary school, teaches third graders. It's a demanding position, leaving him little time for his private life. But he is committed. At the beginning of the school year, his daughter has come to stay with him. Laura is 14 and has arrived from Tahiti with her mother for the first time after his separation, shaking up his calm existence. In the school courtyard, behind the playful games and laughter of the kids, their cries mask problems they struggle with on a day to day basis. Francois is more than a teacher, he's a friend and a protector.

Two aging crooks are given two weeks to repay a debt to a woman named The American. They recruit their recently deceased partner's son to help them break into a laboratory and steal the vaccine against STBO, a sexually transmitted disease that is sweeping the country. It's spread by having sex without emotional involvement, and most of its victims are teenagers who make love out of curiosity rather than commitment.