Dr. Na Yi Je is a kind person with excellent skills. He works at the emergency medical station of Taegang Hospital. He always goes by the rules, and it makes him a bane for his seniors. Lee Jae Hwan, the second son of Taegang Group, causes a traffic accident by reckless driving.

A car crash occurs, and Jae Hwan is secretly moved to a hospital with a serious injury. Min Sik comes to know that Yi Je is the only person who can save Jae Hwan, but he still disapproves the surgery. Meanwhile, Yi Je threatens Jae Hwan saying that he only has a few more minutes to live since he did the least job to keep him alive from the injury.