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.
as Soo-hyun
as Young Soo-hyun
as Yeon-ah
as Tae-ho
as Young Tae-ho
as Soo-a
as Song Hye-won
as Yeon-a
as Mother
as Manager Yoon (uncredited)
as Yeon-ah's Staff (uncredited)
as Barbershop Owner (uncredited)
