改编自亨利·詹姆斯小说《螺丝在拧紧》（The Turn of the Screw），一位男子雇用了一名年轻女家庭教师，来照顾一对骤失双亲的侄儿和侄女，而她发现孤儿的家闹鬼。

A determined young woman and a damaged occultist risk their lives and souls to perform a dangerous ritual that will grant them what they want.