SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
An Unexpected Christmas Plot Summary and Synopsis
Jamie hasn’t told his family that he and his now ex-girlfriend Emily broke up. After an inopportune run-in with Emily at the train station in his hometown, Jamie convinces her to pretend they’re still a couple to avoid ruining Christmas for his family.
Source: Wikipedia (CC BY-SA 3.0).