In the Sweetwater Prison in the California desert, among a group of crazy prisoners, prison boxing champion Monroe Harkin (Wesley Snipes) once again defeated his opponent. Harkin was a boxer who was sentenced to life imprisonment for murder. With his excellent boxing skills, he won the championship in the prison boxing league for ten consecutive years. At this time, heavyweight boxing champion "Iceman" George Chambers (Ving Rhames) was prosecuted for rape and was detained in Sweetwater Prison. Everyone in the prison believed that there would be a fight between Monroe and Iceman, and Layton, the arranger of prison boxing matches who had seen countless boxers, began to plan a match between the two. Iceman insisted that he had not committed a crime, and used his influence as a boxing champion to put pressure on the warden in prison, while not forgetting to provoke Monroe, a prison boxer who he did not look down on. Monroe was completely defeated in the confrontation with Iceman, and was locked up in a single cell by the prison early on. The decisive battle between the two seemed inevitable...