Hoon follows in his father's footsteps to become a surgeon in North Korea, and falls for a girl whose family was purged from their homeland.

Hoon gets a helping hand from his father in escaping to Budapest with Jae Hee. However, their freedom leads to an unfathomable sacrifice.

When Chang Yi arrives in Seoul, she reunites with her mother. Meanwhile, Hoon meets a little girl whose father is in need of help.

The cardiothoracic surgery team is split into two by the hospital chairman puts forward a competition to decide who will operate on the prime minister's heart.

Jae Joon blames a patient's death on Hoon, and Mr Rhim has some extraordinary news to share with Hoon about his long-lost love.

Hoon believes that Seung Hee and his long-lost love are the same person, but the beautiful doctor treats him like a stranger.