A woman flees two serial killers who are hot on her heels in a forest.
Malo and Stéphane are two students who are kind of losers and have just started high school. Their plan to become popular: to host a German exchange student with a lot of style. Too bad for Malo, who gets stuck with a Goth who will make his life hell.
Back to school for Ducobu, Léonie Gratin and Latouche. But this year, a major rival for Ducobu arrives at school: TGV, the king of cheating 3.0. While the financial situation of Saint-Potache becomes disastrous, the two dunces will have to unite their creativity to win a song contest and save their school.
