Nick Jonas stars as Renn, an emotionally distant writer who returns to his hometown of Cleveland for his beloved mother’s funeral, after having spent years successfully avoiding interactions with his high-strung sister (Brittany Snow), bumbling but well-meaning father (Matt Walsh), and untrustworthy step-father (David Arquette). While in town, he forges a new relationship with a charming, energetic stranger (Alexandra Shipp) who pushes him to realize that he can’t avoid conflict forever — with his family or within himself.　

柯尔爵士（乔什·怀特豪斯 Josh Whitehouse 饰）本是生活在中世纪的一名骑士，哪知道却被女巫做法，传送到了现代的俄亥俄州，此时的这里正值圣诞前夕，整个城市都洋溢着欢快的节日气氛。可是 ，这气氛却半点都没有感染到生活在这里的女教师布鲁奇（瓦妮莎·哈金斯 Vanessa Hudgens 饰），她刚刚离开一段失败的感情，整个人都被阴云所笼罩。　　在这样的情况下，不知所措的柯尔爵士和布鲁奇相遇了，善良的布鲁奇收留了无家可归的柯尔，教他如何在现代社会里生存下去，随着时间的推移，两人之间结下了真挚的友谊。柯尔爵士发现，自己被传送到现代，是为了完成某种使命的，只要完成任务，他就可以回到属于自己的年代。