Julien, a young teacher, is wrongfully accused of sexual misconduct by a teenage girl from his class. As he faces mounting pressures from the girl’s older brother and her classmates, the situation spirals out of control. Allegations spread, the entire school is thrown into turmoil, and the teacher has to fight to clear his name.

In the peaceful world of Little Nicholas, there is Daddy, Mommy, the school, but above all, his band of friends. They are called The Invincibles, but above all they are inseparable. At least they think so. But when Dad gets a promotion and announces that the family is moving to the south of France, Nicolas' world falls apart. How can he imagine life without his best friends?