Two high profile couples are forced to examine the cost of success when they're invited to an exclusive self-help retreat where their ancestors sold their souls generations prior.

简发现自己遭遇了一场猛烈的怪物袭击，于是发起了一场义警行动，追捕这头试图杀死她的怪物。简的行动愈发激烈，但她令人不安的吸毒史和精神疾病也逐渐浮出水面，导致她的家人、社区和当局对她证词的真实性产生了怀疑。突然间，简孤身一人与怪物抗争，她开始怀疑自己对袭击的记忆……甚至怀疑怪物是否真的存在。