Will You Be There (2016)

A surgeon (Kim Yun-Seok) doesn’t have much time left due to a serious illness. His wish is to see his girlfriend who died in an accident 30 years ago. The surgeon gets 10 pills from a mysterious old man. The 10 pills allows him to travel in time to the past. He decides to go to the past to save his girlfriend. There, he meets his younger self (Byun Yo-Han).