Boo Yong-joo was once a famous surgeon at the peak of his career at a major hospital. But he suddenly gives it all up one day to live in seclusion and work as a neighborhood doctor in a small town. He now goes by “Master Kim (Kim Sa-bu)” and refers to himself as the “Romantic Doctor”. Meanwhile, Kang Dong-joo became a doctor to make something of himself after growing up poor, and he seeks out VIP patients to achieve the success that he desperately wants. Yoon Seo-jung is a passionate young surgeon who is haunted by a mistake from her past and tries to get over it. When Dong-joo and Seo-jung meet the quirky Master Kim, their lives and careers will never be the same again.