部落性冲突

一名19岁的罪犯汤米（Tommy）被一对功能失调的夫妇克里斯（Chris）和凯瑟琳（Kathryn）绑架，并被迫接受他们的“改造计划”，试图将他塑造成一个“好男孩”。汤米必须设法逃脱。

　　Beneath the fake blood and cheap masks of countless haunted house attractions across the country, there are whispers of truly terrifying alternatives. Looking to find an authentic, blood-curdling good fright for Halloween, five friends set off on a road trip in an RV to track down these underground Haunts. Just when their search seems to reach a dead end, strange and disturbing things start happening and it becomes clear that the Haunt has come to them...

　　A group of young men dare a classmate to reach the porch of a legendary old house, said to be haunted by the thirteen victims of a family massacre. In hopes of making a viral video they arm him with a video camera to prove he was there or to capture him fleeing in terror before even reaching the house, as others have. When he doesn't return, the guys must go in to get him. Inside they discover the truth about the house, the fate of their friend and their own fate as well.

　　影片改编自艾拉·莱文的同名小说，讲述1968年著名恐怖片《罗斯玛丽的婴儿》的前传故事。　　年轻舞者Terry Gionoffrio（朱莉娅·加纳 Julia Garner 饰）遭受了毁灭性伤害，当一对富有的老夫妇承诺给她成名机会后，她发现自己被黑暗力量所吸引。