No One Believes Me(Pourquoi personne me croit?)

Everyone believes Sébastien, 13, has shot his father in the back and killed him. With the help of his trusted friends, he uses every stratagem to stay hidden while proving his innocence. But the adult world has other ideas, and under abusive pressure he comes to sign a confession of murder. But, due to Seb's half-sister, the story may not quite be over.