A man finally meets his daughter-in-law for the first time when his son tragically dies. He and the rest of the family like her, but she has a deadly secret.

Martha Travis is a medium who makes contact with spirits "on the other side" and connects them with their loved ones still alive, in public performances. Trouble begins when she gives a message to Mary Kuron from her husband, Tom. But Tom isn't dead... yet. And Martha not only knows he will die, she also knows who killed him. And the murderer knows she knows...

哈珀一家正在迎接一个糟糕的圣诞节，瑞安和卡西还在努力适应他们母亲几年前过世的事实。他们的父亲，艾瑞克，也在努力开始他生命中的新篇章，他邀请了美丽迷人的屠户爱米来参加他们的圣诞节晚宴。 但是正当他进行最后的礼物抢购时，他被一群笨贼绑架了。卡西在一个老精灵玩偶上许愿之后，一个有魔力的精灵被圣诞老人留在了他们家园子里帮助他们。精灵遇见了孩子们还有他们的古怪活跃的奶奶。 很快精灵就被孩子们支持去阻挠要利用他们父亲的秘密发明实现恶毒计划的笨贼们。一开始，精灵受挫了并且放弃了努力。但是在孩子们给他展示了他们所做的一套超级英雄装备之后，他意识到他必须穿上这套恶搞的装备，再次尝试从绑架者手中救走艾瑞克。