A family man Wade Porter is living the American Dream with his girlfriend Laura and their son Michael: they have a nice house, he has just raised a loan to make his company grow and they are going to get married. However their dream becomes a nightmare when Wade unintentionally kills a burglar that had broken into their house in the middle of the night on his lawn. He is sent to trial and accepts a deal proposed by the prosecutor, being sentenced to three years in prison. During the transportation, there is an incident in the bus and Wade is framed and sent to the maximum security wing under the command of the corrupt Lieutenant Jackson. His cell-mate John Smith that was sentenced to life revenging the death of his family befriends Wade and gives helpful advices and hope to Wade to return to his family. 怀疑本片为雅利安兄弟会投资...。绝对值得一看的好片！。血腥监狱女人香。为什么而活，为了家人。。最后的一段独白道明了本片的真谛。约翰（方•基默 Val Kilmer 饰）?? 搞不清！！。监狱规则。Payback。无论何时，记得坚强地活下去。对待人生的态度。 韦德·波特（斯蒂芬·多尔夫 Stephen Dorff 饰）有一个甜蜜的家庭，温柔贤惠的妻子和天真可爱的儿子。他还幸运地申请到了工商业贷款，准备在来年大干一番。某夜，正当全家熟睡之际，突然房间里进来了盗贼，约翰保护好妻儿后，追击盗贼，在对方准备掏凶器时，他出于自卫挥起大棒，结果盗贼当场毙 命。约翰因此锒铛入狱，由于他未选择抗辩因此被判3年有期徒刑，还获得了减刑。然而，在进入牢狱之后，他才发现铁窗的日子其实跟黑社会差不多。一个通缉犯在押解途中，被捅死，原因是其吞了帮派的毒品。狱警希望约翰可以出面指证，但是约翰怕惹事，并未就范。于是，他跟狱警结下了梁子。跟他同屋的狱友，曾是一个帮派的头领，他教会了约翰应该如何融入这个肮脏的环境。为了能跟妻儿重逢，约翰被迫加入了纳粹帮，从此卷入了一场血腥的争斗……
