Yuri Boyka - the legend of the battles without rules. But lately he has been living a miserable existence in prison. He is tormented by a terrible trauma, received in the last duel. But the will of the guy is just like steel, and his wound has practically healed. Taking the will into a fist, Boyka returns to the ring. In his battle, he defeated the current champion of the prison, nicknamed the Black Hills. Gaga - the local bosses fought without rules, decides to send Yuri to the championship among prisons, the international format. The Russian champion enters the ring and wins one victory after another, but the injured knee more and more hinders him. And only an iron character will help Boyka overcome another test of fate.