Léon, the top hit man in New York, has earned a rep as an effective "cleaner". But when his next-door neighbors are wiped out by a loose-cannon DEA agent, he becomes the unwilling custodian of 12-year-old Mathilda. Before long, Mathilda's thoughts turn to revenge, and she considers following in Léon's footsteps.
Alex and his sister run a business designed to break up relationships. They are hired by a rich man to break up the wedding of his daughter. The only problem is that they only have one week to do so.
After a drug deal gone wrong, Bédé goes into hiding in the countryside at a reformative school for criminal youth. His location is found out, and he and the pupils have to protect themselves with whatever means they have.