Bu Yong-ju 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 Teacher Kim and refers to himself as the “Romantic Doctor”. Meanwhile, Gang Dong-ju 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. Yun Seo-jeong is a passionate young surgeon who is haunted by a mistake from her past and tries to get over it. When Dong-ju and Seo-jeong meet the quirky Teacher Kim, their lives and careers will never be the same again.