In the near future, the world order has changed. With 10 million unemployed, France is now among the world's poorest countries. The population wavers between rebellion and resignation, and finds an outlet in ultra-violent televised fights, where participants are legally drugged. Reda, known as Arès, is a former fighter who has become a bouncer for the police. Everything will change when his sister is arrested and he must do everything to save her, and her daughters.