Serena

Jules, Felix and Matthieu are affluent teenagers who only care about one thing: having fun. And that is why Jules, the leader of the group, decides to take Joé on a night out with them. Joé is two years younger than them and the butt of their jokes, every time, all the time. But tonight Joé has had enough and fights back. Jules in turn pushes back hard, leading his friends down a path where violence quickly spirals out of control and from which there is no return. - IMDb