加州沙漠的甜水监狱，在一群疯狂的犯人观众之中，监狱拳王蒙罗·哈金（韦斯利·斯奈普斯 饰）再一次击败了他的对手。哈金曾是一名拳手，因杀人被判终身开释，他仰仗出色的拳击技术，在监狱之间的拳击联赛中蝉联十年冠军。此时，重量级拳击冠军“冰人”乔治·钱伯斯（文·瑞姆斯 饰）因强奸罪被起诉，被收押在甜水监狱。监狱众人以为蒙罗和乔治·钱伯斯之间必有一战，阅拳手有数的狱中拳赛布置者——雷顿末尾谋划两人... The California desert in Tianshui prison, a group of crazy prisoner audience, Muhammad Munro Harkin (Wesley prison Snipes) once again defeated his opponent. He was a fighter, was sentenced to life imprisonment for murder, by virtue of his excellent technique of boxing, boxing in the prison between the League won the title in ten years. At this time, the heavyweight champion Iceman George Chambers (Gavin raimes ornaments) for rape prosecution, being held in Tianshui prison. Prison people think there will be a war between Munro and George Chambers, who read countless prison boxing arrangements - Layton began planning two...