James ‘Animal’ Allen is serving a life sentence for murder at Folsom Prison, after taking the rap for his eldest son. When a brutal riot breaks out between the rival prison gangs he is transferred to Susanville Prison, where he previously served 15 years. on the outside, Animal’s son is framed for murder and faces serious jail time. To help his son, Animal has no choice but to return to his violent past as a money fighter. His new found respect brings him to the height of power as the leader of a gang, but he discovers he is being used as a pawn in a conspiracy to spark an all-out race war between prison gangs.