Dong Joo is the country's highest scorer in the medical licensure exam. Because of why he wants to become a doctor, he ends up getting reassigned to a small but terrific Doldam Hospital alongside his co-worker crush, Seo Jung. The two of them work on the hardest cases together while learning from the country's best surgeon. Though Dr. Kim's the most experienced surgeon in South Korea, his ways while on the table are against everything Dong Joo and Seo Jung spent years on in medical school.