Jonas, 16, is experiencing school failure. But for his tennis enthusiast, this is not so serious, since he can devote himself to sport. Unfortunately, he cannot pass the national selection. Turning away from his divorced parents, he finds thirty-year-old Pierre's support, a friend of his mother. He was touched by his situation, offers help to him. With this privileged connection, he leaves school. Pierre and his companion, Nathalie replace the teachers and the parents. But this education will take a more intimate turn, sex education.