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
My Missing Valentine Plot Summary and Synopsis
A girl who does everything so quickly that she’s always one step ahead of others found out that her Valentine’s Day has mysteriously passed when she wakes up the next morning.
Source: Wikipedia (CC BY-SA 3.0).