Nineteen year-old Malik (Tahar Rahim) is condemned to six years in prison. Arriving in jail friendless and alone with no-one to protect him, he soon finds himself drawn into the brutal violence and gang warfare of daily prison life. Taken under the wing of a powerful boss, Malik is initiated into the criminal ranks. Once on the outside, he is entrusted with more and more important missions. But Malik is brave and a fast learner and secretly has his own plans that don’t involve taking orders from anyone else.