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.

"What if you get 10 chances to change your past."

Credits

Hong Ji-youngDirector

Kim Yun-seokSoo-hyun

Byun Yo-hanYoung Soo-hyun

Chae Seo-jinYeon-ah

Kim Sang-hoTae-ho