讲述梅根饰演角色带领的一支雇佣兵，原本要去非洲某地营救人质，但不幸中了埋伏。在逃亡过程中，雇佣兵小队不仅要防人类的子弹，还要避开狮子的攻击。
阿金斯扮演一名前MI6情报局特工。已经退休的他发现自己在某一天中因不明原因又被卷入危机四伏的间谍网络中，而策划着惊天阴谋的秘密情报机构也在想方设法抹除他的存在。
一家机器人公司与一名腐败的中情局特工联手，试图为自己定位，以赢得一份利润丰厚的军事合同。他们非法空投了4个机器人原型到臭名昭著的老挝、柬埔寨和泰国之间的金三角地带，对毫无戒心的毒枭进行现场实地测试，这是全世界永远不会错过的。其中一个机器人在空投中受损，机器人技术团队在它变得自知之明时失去了对它的控制，成为一个势不可挡的杀人机器。
1919. After fighting in WWI as a sniper Travis, now a Policeman in the vast empty spaces of northern Australia, loses control of an operation that results in the massacre of an Indigenous tribe. After his superiors insist on burying the truth Travis leaves in disgust, only to be forced back twelve years later to hunt down Baywara, an Aboriginal warrior whose attacks on new-settlers are causing havoc. When Travis recruits mission-raised Gutjuk, the only known massacre-survivor as his Tracker, the truth of the past is revealed and Travis becomes the hunted.