未来世界，希望愚蠢的人类文明令地球环境日趋恶化，希望温暖甜蜜的家乡变成充满灾难和死亡人间炼狱。此后，人类穿越太空在首新星建立新的家园，而外星人操控的怪兽厄萨对这群外来者展开残酷屠杀，人称“原鬼”的游骑兵最高指挥官塞弗·瑞奇（威尔·史密斯 Will Smith 饰）带领手下有效阻止了敌人的屠戮。虽说虎父无犬子，但塞弗的儿子基泰（贾登·史密斯 Jaden Smith 饰）却在游骑兵测验中失利。内心存在隔阂的瑞奇启程前往伊菲图斯训练基地，谁知途中突发变故被迫降落在熟悉而陌生的地球。剧烈的冲撞几乎让船员全数死亡，瑞奇父子则成为仅有的幸存者。在父亲重伤的情况下，基泰只能独自去寻找赖以求生的信号机。对于这个始终长不大的孩子来说，他将面临人生中最重要的一次考验……
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回复 :In the year 2961, the time is after humanity and nature has recovered the land. A hunter named Cygnus is called to rise above his duty. He provides for Last Arc, a once nomadic band of survivors in need of food and water that is now growing scarce. The answer must be found before a group of outlandish Heretics descend upon them. Cygnus must voyage across the treacherous landscape to defend his people. Sent by Nova, the matriarch of the band, she acts based on her vision for Cygnus to find a seed of hope. The future of Last Arc is for him to discover, Cygnus ventures into a hostile landscape in search of an answer for his people. On this journey of encountering many traps and dangers, Cygnus discovers what has been hunting him is his identity.
回复 :布兰迪（米娜·苏瓦丽 Mena Suvari 饰）个性活泼爱玩，常常流连于各色派对之中。某日，她刚刚结束了一场狂欢，晕晕乎乎的驾车行驶在马路上，就在此时，车祸发生了，倒霉蛋是一个名叫托马斯（斯蒂芬·瑞 Stephen Rea 饰）的男人，然而，他非但没被撞飞，反而丝丝地嵌在了布兰迪座驾的挡风玻璃上，一时间进退两难。布兰迪答应带托马斯前往医院进行抢救，然而，很快她便意识到，这场车祸和汤姆的幸存将会彻底改变她的一生，把她拖进深不见底的泥潭之中，解决的方法只有一个，那就是让汤姆死得无影无踪。很快，汤姆便意识到了布兰迪的真正目的，求生欲让身负重伤的他展开了自救。
