在发现各自的另一半是兄妹后，这两个心怀怨恨的前恋人必须在同一屋檐下度过圣诞节，同时隐瞒他们的恋爱史。

　　Eve is a Christmas movie fanatic and dreams of having a movie-perfect Christmas with a movie-perfect boyfriend. On Christmas Eve, when Eve and her cynical sister Lacy make wishes to Santa, they wake up in Christmas Town and find themselves trapped inside a Christmas movie where they are the stars. But when things start to go wrong, and Eve's knowledge of all things Christmas movie fails to fix things, Eve and Lacy try to find a way out of the picture-perfect Christmas and back to reality.

布里最近离婚了，并因前夫的罪行而被软禁，但当一个跟踪者出现时，她似乎控制了周围的环境。