1865年，凯恩（伊恩·齐林饰）与玛利（阿什丽·劳伦斯饰）穿越炎热的大沙漠时发现了昏倒的查尔蒙特（奥利弗·古鲁内尔饰），二人将他救醒。当地主人本尼迪克特的手下抓住了凯恩与玛利，作为回报，查尔蒙特前去救出二人。查尔蒙特勇敢的出击，他的拳脚快速而又准确地打中本尼迪克特的手下。为了报复，本尼迪克特再次袭击他们。为了他爱的女人，为了需要他的朋友，查尔蒙特，世界上最强的搏击之王，与恶人展开了殊死的搏斗。

　　欧内斯特（迈克尔·珊农 Michael Shannon 饰）同儿子杰罗姆（柯蒂·斯密特-麦菲 Kodi Smit-McPhee 饰）、女儿马莉（艾丽·范宁 Elle Fanning 饰）一起过着相依为命的生活，虽然经济拮据生活清苦，但一家人好歹紧紧的联结在一次，互相支撑着，鼓励着。
　　欧内斯特拿出了家里最后的一点点钱买了一头机器骡子，他和杰罗姆牵着骡子给在山上工作的矿工们运送口粮，以此获得报酬维持生计，可以这么说，这头破败不堪的骡子是全家人最后的希望了。费莱姆（尼古拉斯·霍尔特 Nicholas Hoult 饰）一直将欧内斯特一家人视作眼中钉肉中刺，只因为他们目前居住的那一片土地曾经属于自己的父亲。这一次，费莱姆将复仇的目标放到了落单的马莉的身上。

　　Will Penny, an aging cowpoke, takes a job on a ranch which requires him to ride the line of the property looking for trespassers or, worse, squatters. He finds that his cabin in the high mountains has been appropriated by a woman whose guide to Oregon has deserted her and her son. Too ashamed to kick mother and child out just as the bitter winter of the mountains sets in, he agrees to share the cabin until the spring thaw. But it isn't just the snow that slowly thaws; the lonely man and woman soon forget their mutual hostility and start developing a deep love for one another.

　　As America recovers from the Civil War, one man tries to put the pieces of his life back together but finds himself fighting a new battle on the frontier. Cable is an embittered Confederate soldier who returns from the war to reclaim his Arizona homestead from rebel pioneers who sympathize with the Union war effort. Desperate to rebuild the life he once knew, Cable ultimately joins forces with Vern Kidston, his Union adversary to make a last stand for the one thing worth fighting for -- his family.

　　西北边境司机李军被迫卷入毒枭阴谋，后成为警方线人，缉毒警唐旭东拼死追凶，毒枭张虎荒漠制毒、正邪较量在血色中迎来对决。