When four female friends go on a retreat to a secluded lakeside cabin, they soon realise they’re not alone. Masked intruders try to take them hostage, but as they fight back, the friends get a taste for something more than the will to survive. Will their fate be as victim or executioner?
山姆是个容易焦虑紧张心思细腻的年轻小伙子，他来到一间五金行工作，但这间店里处处透着诡异气息，当山姆无意间看到了店里不可告人的秘密后，他发现自己已经被卷入这诡异的谜团之中…。
约翰医生的弟弟因为车祸而丧生，可他却把自己弟弟的遗体当作试验品改造成了怪物，此时他的朋友们来到其居所看望他，一阵腥风血雨即将到来……（此片感觉像变蝇人 怪形的结合体，但故事并不怎么出彩，不过怪物的样子还算比较独特）
