When Jason Dyson refuses to make his prized fighter throw an MMA match, a notorious gangster collects his debt by killing the fighter and kidnapping Jason's daughter. Now he must train a prisoner to endure five consecutive underground fights to save her. 　　译文(3): 当杰森·戴森拒绝让他心爱的拳击手参加MMA比赛时，一个臭名昭著的歹徒通过杀死拳击手并绑架杰森的女儿来偿还债务。现在，为了救她，他必须训练一名囚犯忍受连续五次的地下战斗。