Jung Eun Hee, single, never fall inlove and a first year Resident doctor in Yonsie University Medical Center.She is one of the top students of her batch, not to mention the only girl.Being a girl doesn't mean they can bully her by all means. She have the strong aura of a fighter, that's why some of her batchmates are afraid of her. They never know that behind her strong self is a very sensitive young lady and afraid of being left behind.

Park Yoochun, Attending Doctor in Yonsie University Medical Center. He is the youngest, talented and  respected Neuro-surgeon in Yonsie University medical Center. He is being called the God of the operating table, because there is no any kind of surgery that he can't do once he is inside the operating room. But despite of being the best in his field there is something missing in his life... and it is called LOVE...