As a child, Park Hoon (Lee Jong-suk) and his dad were kidnapped and taken to North Korea. He grew up there, learning to be a doctor just like his father. When Park Hoon escapes back to South Korea and begins work at a prestigious hospital, he makes it his goal to earn enough money to go back to North Korea to rescue his true love. He'll do anything to find her, but then he meets and falls for a mysterious woman (Jin Se-yun) who looks exactly like her.
Elenco: Lee Jong-suk , Park Hae-jin , Jin Se-yeon , Kang So-ra , Jeon Kuk-hwan , Lee Il-hwa , Choi Jeong-woo , Kim Ji-young , Park Hae-joon , Jeong In-gi , Yoon Bo-ra , Cheon Ho-jin , Kim Bo-mi , Goo Seung-hyun .