高中自然课女教师杰西卡被绑架了，幸好歹徒囚禁她的地方放置有一部老式的拨号电话杰西卡慌乱之中随便拨了一个号码进行求救，她的求救电话打到了小伙子瑞恩的手机上。瑞恩一开始以为是恶作剧，但随后歹徒发现了杰西卡在向外求救，砸坏了电话。听到歹徒的吼叫和杰西卡惊呼，瑞恩才意识到事态严重。杰西卡在歹徒走后利用她的自然课知识重新拼装好了…

The story of "The Exorcism of God" follows father "Peter Williams", an American exorcist who, being possessed by a demon he was trying to expel, ends up committing the most terrible sacrilege. Eighteen years later, the consequences of his sin will come back to haunt him, unleashing the greatest batt…