Yoon Bo-ra

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.