Clyde Shelton's family is brutally murdered. The ones responsible are caught. However, because of improper procedure, the D.A., Nick Rice only has circumstantial evidence. So he decides to get one of them to testify against the other. When Shelton learns of this, he is not happy. Ten years later, the one who was convicted is being executed but something goes wrong; his execution goes awry and he suffers. They learn that someone tampered with the machine. And the other one is found dead, killed in a gruesome manner. Rice suspects Shelton, so he has him picked up. At first, Shelton agrees to a plea agreement with Rice but changes his mind. It appears that Shelton is not done, it appears he blames the whole system and is declaring war on it going after everyone involved with his family's case. So Rice has to stop him but Shelton is way ahead of him. 貌似很多人没有看懂这部电影啊。永远保持一颗柔软的心。“我是想摧毁这个腐朽的体制“——每一个小人物的烟花梦。你不给我一个说法，我就给你一个说法！。腐败的司法体系。《守法公民》续集《修法公民》：Law Amending Citizen。一部用力过度的犯罪片。如果此片有两个半小时会更完美。个体公正和群体公正的碰撞。终究还是复仇。 克莱德·谢尔顿（格莱德·巴特勒 Gerard Butler 饰）是居住在费城某小镇的一名研发人员，他有着美丽的妻子和可爱的女儿，生活幸福美满。但这一切都被突如其来的灾难所摧毁。某晚，两个暴徒闯入他的家中，妻子和女儿都受到残害。然而虽然证据确凿，但由于司法程序的迂腐和尼克·瑞斯（杰米·福克斯 Jamie Foxx 饰）助理执行官的堕落，最终让首犯克拉伦斯·多比（克里斯蒂安·斯多特 Christian Stolte 饰）因证据不足只得到10年徒刑。 本以为一切归于沉寂，但10年后当年未了的风波再起。怀着巨大仇恨的克莱德开始筹划展开报复，先是干掉了当年的从犯阿米，接着他很快找到了邪恶无耻的多比，并对其进行残酷的折磨与虐杀。克莱德的仇恨得到巨大的宣泄，但是他的复仇还未就此停止。他所针对的不只是那两个暴徒，而是整个腐朽堕落的司法系统……
