Nam Myung-ryul

Jin-Seok (Kang Ha-Neul) moves into a new home with his older brother Yoo-Seok (Kim Moo-Yul), mother (Na Young-Hee) and father (Moon Sung-Geun). Jin-Seok suffers from hypersensitivity, but with medication he is able to live normally. One rainy evening, Jin-Seok sees his older brother being thrown into a van by a group of men. After 19 days of silence, Yoo-Seok returns home, but he doesn't remember anything from his disappearance.

Park Hoon is eventually trained by his father to become a doctor after both are kidnapped by North Korea. While there he falls in love with Jae Hee. When Park Hoon, his father, and Jae Hee flee North Korea his father dies and he loses contact with Jae Hee. When Park Hoon starts working as a doctor he finds a girl who looks exactly like Jae Hee, Doctor Han Seung Hee, who claims to not know him.