Original Title: 어느날
One Day
Kang-soo, an insurance investigator, has lost all the hope and purpose of living after his wife died. One day, the company gives him the case of Mi-so, a girl who’s fallen into a coma from a car accident. At the hospital he goes to investigate the case, he meets a girl who claims that she is Mi-so, who in reality can’t walk or talk. Kang-soo eventually comes to accept that for some reason only he can see the spirit of Mi-so. And Mi-so asks Kang-soo to help her biggest wish come true before she has to leave this world for good.