故事讲述盖瑞(斯科特饰)和一个有六岁儿子的女人(莉莉饰)结婚，顺利成为孩子继父的他却发现继子拥有撒旦魔鬼的品行，他的麻烦也随之而来。

Gary who has just married Samantha the woman of his dreams, discovers that her six-year-old son may be the Antichrist.