A high-school teacher in 1983 and a detective in 2015 join forces through their dreams to change the perilous fate of the woman they both love—30 years apart.
as Yoon-jung / So-eun
as Ji-hwan
as Detective Gun-woo
as Detective Kang
as Detective Lee
as Teacher Park
as Kang Seung-bum
as Biology Teacher
as Choi Hyeon-ju
as Nice Schoolgirl
as Kang Hyeong-chul
as Detective Yeo-ju
as Vice Principal
as Real Estate Man
as Hostage Woman
as Player
as Present Pickpocket Woman