In a near future, the world order has changed. With more than ten million citizens unemployed, France is now a poor country. While the population wavers between revolt and resignation, the government keeps the people entertained by broadcasting brutal fights in which there are no rules and players are legally drugged. Reda, known as Ares, is a former fighter who barely makes a living as an enforcer for the police. When his sister is arrested he has no choice but to go back in the ring in order to save her.