詹妮弗·杰森·李饰演的单身母亲，带着两个女儿，以及因为一场事故身受重伤，如今躺在床上不省人事的儿子（卡梅隆·莫纳汉），搬进了这栋“非常邪”的房子。恐怖的事情也随之开始，屋中的恶灵似乎盘踞到了昏迷的儿子体内，他忽然苏醒，成了恶鬼用来杀人的工具。 Whenanunsuspectingwomanstopsataremotegasstationinthedeadofnight,she’smadetheplaythingofasociopathsniperwithasecretvendetta.Tosurviveshemustnotonlydodgehisbulletsandfightforherlife,butalsofigureoutwhowantsherdeadandwhy. Josh Fosse is a 20something guy whose life is going nowhere. His girl left, his rent is late, and he lacks a real job. He is trying to make it as an app reviewer online and decides to review a self help app called i-Lived for fun. He's signs on and immediately his life turns around. He meets the girl of his dreams and he gets a job offer he can't refuse. Convinced it's him and not the app, he signs out... and loses everything. He signs on again but this time the terms are different, the app is asking him to do things that are out of his moral comfort zone... but essential to becoming the success the app tells him he can be. 母亲的意外丧生让弗兰克（伊利亚·伍德ElijahWood饰）陷入了深深的痛苦之中，虽然母亲生前并非善类，甚至动辄就对弗兰克拳打脚踢，但在弗兰克的心目中，母亲的重要地位没有任何人能够代替。丧母之痛淤积在心中渐渐变质，杀人成为了他唯一的宣泄途径，无数的妙龄少女成为了弗兰克的刀下冤魂，不仅如此，变态的弗兰克还将她们的头皮剥下来，置于家中欣赏。一次偶然中，弗兰克结识了摄影师安娜（诺拉·阿娜泽德尔NoraArnezeder饰），对于弗兰克来说，这是第一次也是唯一的一次，他没有将安娜视作猎物，而是一个善良热情的女人。可是，弗兰克内心里的兽性无法压制蠢蠢欲动，伤害安娜似乎成为了无法避免的结果。 
