atau dikenal sebagai
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.
At a car accident site, Ji-Noo (Ryoo Seung-Bum), Na-Mi (Koh Joon-Hee), Jung-Sook (Ryoo Hyoun-Kyoung) and Yakuboo (Samuel Okyere) find a bag filled with money. They become involved in a dangerous case.
On-yoo is an adult childhood cancer survivor. When he's not practicing with his boy band, Oh-yoo often volunteers at the hospital's pediatric cancer ward. One day, he recognizes the familiar face of an overdose patient.
Su-ho is a plain high school boy, and Su-eun is a bright and beautiful girl in the same school. For some unknown reason, Su-eun has a crush on the boy, and for equally mysterious reasons she rescues Su-ho in the sea though he doesn't know who actually saved him.