Shi On sees a child critically injured at the station and treats him, and ends up being late to the meeting.

When a child patient suffers from a poorly executed surgery, Shi On takes matters into his own hands, causing trouble for Do Han.

The residents of pediatric surgery resent Shi On for causing Do Han trouble.

The parents of the children in the Pediatric Ward feel uneasy with Shi On as their assigned doctor when despite his vast medical knowledge, he continually fails to interact with the patients properly.

The death of a patient takes its toll on Yoon Seo and has Shi On and some of the patients questioning the existence of heaven.

When a severly troubled child is admitted into the pediatric ward, Shi On is determined to help her. Meanwhile, Manager Ko sees this as another opportunity to get rid of Shi On and Director Choi.