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.
Lim Soo-jung
Yoon-jung / So-eun
Cho Jung-seok
Ji-hwan
Lee Jin-uk
Detective Gun-woo
Jung Jin-young
Detective Kang
Lee Ki-woo
Detective Lee
On Ju-wan
Teacher Park
Lee Tae-ri
Kang Seung-bum
Chun Sin-hwan
Biology Teacher
