安妮（托妮·科莱特 Toni Collette 饰）和丈夫史蒂文（加布里埃尔·伯恩 Gabriel Byrne 饰）带着大儿子皮特（亚历克斯·沃尔夫 Alex Wolff 饰）生活，他们的小女儿查理（米莉·夏普洛 Milly Shapiro 饰）则交由安妮的母亲艾伦抚养 。实际上，安妮和母亲之间的关系十分疏远，艾伦去世后，查理重新回到了父母的身边。 　　自从查理回家之后，家里便开始接二连三的发生诡异的事件。神秘的图腾，陌生的姓名以及神出鬼没的不速之客让这个家庭被笼罩在压抑的气氛之中。由于皮特的疏忽，一场车祸夺走了查理的性命，查理的死加快了各家庭成员之间的分裂，在安妮最绝望的日子里，一个名叫乔安（安·唐德 Ann Dowd 饰）的女人出现在了她的身边，她声称自己拥有能够召唤灵魂的特异功能。When Ellen, the matriarch of the Graham family, passes away, her daughter's family begins to unravel cryptic and increasingly terrifying secrets about their ancestry. The more they discover, the more they find themselves trying to outrun the sinister fate they seem to have inherited as it slowly destroys everything they know. Making his feature debut, writer-director Ari Aster unleashes a nightmare vision of a domestic breakdown that exhibits the craft and precision of a nascent auteur, transforming a familial tragedy into something ominous and deeply disquieting, and pushing the horror movie into chilling new terrain with its shattering portrait of heritage gone to hell.