娣娣(艾莉西亚·席维史东饰)高中毕业即离乡背井,生性自由的她现在带著十二岁大的小儿子回到暌违十三年的家乡,并与中学时期的热恋男友山姆(伊昂·贝利饰)重逢。山姆已与莉蒂雅(安娜贝·基许饰)结婚,二人生活幸福美满,不过迄今膝下无子。娣娣是否会对莉蒂雅造成威胁?娣娣儿子的父亲又谁是呢?。Christmas is supposed to be a time for peace and joyful family reunions. But when Matt and his wife Karen show up unannounced at the home of his estranged brother Steve to celebrate the holidays, they are instead greeted with a horrifying surprise: trapped in the basement is a man. But not just any man. Steve believes that his hostage is none other than the devil himself.。