理查德（帕迪·康斯戴恩 Paddy Considine 饰）身强体壮，头脑灵活聪明的他野心勃勃，誓死捍卫自己的个人利益。安东尼（托比·凯贝尔 Toby Kebbell 饰）身体瘦弱，生性胆小怕事的他甚至显得有些懦弱和迟钝。这两个个性和外表迥然不同的男人是不折不扣的兄弟。对于弟弟的生活，理查德照顾的无微不至，而只要跟在哥哥的身后，安东尼似乎能共从中获得勇气。 　　某日，相依为命的两兄弟回到久别的故乡，他们在曾经待过的农场里安了家。熟悉的环境和童年的经历带给理查德和安东尼短暂的快乐，但很快的，现实的残酷冲淡了回忆的慰藉。表面平和的小镇背地里却被毒贩和黑社会一手掌控，理查德此行回归只有一个目的，那就向这些没有人性的暴徒们寻仇。Richard returns home from military service to a small town in the Midlands. He has one thing on his mind: revenge. Payback for the local bullies who did some very bad things to his brother. At first his campaign employs guerrilla tactics, designed to frighten the men and put them ill at ease. But then he steps up his operation, and one by one these local tough guys are picked off by the terrifying angel of vengeance that Richard has become.