An anthropology professor's obsession with a paranormal mystery threatens her job, marriage, and sanity as she fights to find a missing student.。在某偏远的修道院里，一个修女举止突然变得怪异可怕，传言她被恶魔附体，两个牧师应要求去调查此事，他们采取的驱魔之法却引出了更深的恐惧……。
