卧底警察阿豪（钱嘉乐 饰）在一次伪钞交易中，不幸被违法钱庄识破身份，身中数枪，有终生瘫痪的危险，除非能够短时间内筹集巨额手术费，方有治愈的希望。而警队怀疑阿豪勾结罪犯，将其除名，亦拒绝支持手术。阿豪在警队中的好友阿东（杜德伟 饰）等四人为阿豪的遭遇深感不平，在走投无路的情况下，四人抢劫了地下钱庄，岂料抢劫所得远不能满足手术费用，四人遂决定继续抢劫。 于此同时，这次抢劫案因犯罪手法成熟并使用了专业武器，警方派出由周聪（吴彦祖 饰）带队的特别行动小组应对，周聪很快将目标锁定在阿东的小集团，然而如何处理这次因警队不公待遇引发的警员行劫案，令周聪左右为难……
2004年4月的一天，一支美军小分队在伊拉克巴格达巡逻。平静的清晨时光很快被震耳欲聋的枪炮声打破，小分队突然遭到当地武装分子的袭击。经过一番激烈交战，武装分子中数人伤亡，美军中士大卫•杰森（Michael Belisaro 饰）也身受重伤。战友的伤势严重，小分队的士兵们无法顾及其他，连忙带着大卫赶往最近的伊拉克医院。在医院内他们和恰好在此疗伤的武装分子遭遇，双方再次发生冲突。 万般无奈之下，小分队成员只得带着伤者转移。在接下来的12小时内，他们遭遇了汽车炸弹、自杀袭击、武装分子围攻等种种危难。所谓正义已没有意义，巴格达变成了难辨善恶的血腥修罗场…
John Wood left the pieces of a broken civilisation behind, to go back to his roots in the woodland, after a virus pandemic struck the world. Residing in a simple cabin, he only wants peace and to live in harmony with nature. Coming from a long line of timber men, he joined the army and served as a soldier for many years. Rebelling against his superiors for killing civilians under martial law. John feels he got his own wife killed when saving hundreds of innocent civilians from certain death. His wife executed point blank as retribution for John's disobedience and supposed heroic acts. Now, a young woman named Maria Johnson has escaped a pandemic research lab. She's been part of experiments to find a cure for the still raging virus. Carrying the potential cure in her blood, she is hunted by profiteers and mercenaries who knows her secret. Coming upon John's cabin in the woods, Maria is instinctively taken into shelter by John. He wants her to recover fast and leave, but by learning her...
罗伯特·戴维依饰演纽约市的警官柯代尔，原是警界精英，但过分忠直却处处树敌，终于被敌人诬陷下狱。他在狱中受尽折磨，心性大变，复仇之火使他变成极尽毁灭能事的刽子手，甚至在出狱后仍要重回监狱去对付那些欺负过他的仇人。
