电影灵感源自上世纪20年代美国“艾玛·施密特事件”:女子艾玛被恶魔附身数十年,寻求修道院帮助后,经历了数次残酷的驱魔仪式。这也是美国历史上对“驱魔”记载最详尽的案例。电影主角是两位正在经历信仰动摇(史蒂文斯)、有着复杂过去(帕西诺)的牧师,他们必须放下分歧,通过一系列艰难而危险的驱魔仪式来拯救被附身的年轻女子。。该剧讲述不合群女孩金的父亲在她儿时不明不白死去,母亲把她送到了乡下。金过着隐居生活,并习得了一些极怪异的生存技巧。。Having witnessed his junkie father killed Russell Stevens grows up to become a policeman and make a difference. When he is offered an undercover job by Gerald Carver he accepts and begins to build a relationship with David Jason in order to get to the main dealers. However as he is forced to deal drugs and kill to keep his cover he finds the lines between cop and criminal being...。