Will You Be There Soo-hyun comes across magical pills that allow him to go back and forth in time. 30 years to the past, young Soo-hyun meets future Soo-hyun and learns that his girlfriend will soon die because of him. In order to save her, the two Soo-hyuns try to change the past together, but a completely new and unexpected past is formed that leads to a new future. IMDB
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.