Episode 1
The medical staff of Doldam Hospital fly out in a helicopter to a ship lost out at sea on behalf of Teacher Kim, who is absent on vacation.
Episode 2
As the patient's lung condition deteriorates due to tuberculosis, Teacher Kim opens the trauma centre operating room for Ri Bok-young's surgery.
Episode 3
Doldam Hospital hires new personnel. The people of Doldam, who thought Teacher Kim would be the new head of the trauma centre, hold an emergency meeting.
Episode 4
Patients injured in a residential fire are rushed into the emergency room. Seo U-jin treats the suspected arsonist despite Jang Dong-hwa's criticism.
Episode 5
Cha Jin-man hates that Teacher Kim's methods are deeply rooted into Doldam Hospital and takes everyone except Lee Seon-ung and Dong-hwa to the trauma centre.
Episode 6
The trauma centre loses a patient and receives another patient in critical condition. Meanwhile, a child visits Teacher Kim at Doldam Hospital.
Episode 7
Wounded soldiers are rushed to Doldam Hospital. A-reum is left alone to tend to the emergency room when rogue patients suddenly cause a scene.
Episode 8
Patients rush into the emergency room while the staff tends to surgeries. Doldam Hospital falls into chaos as the gunman's identity is revealed.
Episode 9
When an old building collapses resulting in several casualties, a disaster medical support team is dispatched to the site.
Episode 10
Doldam Hospital receives news of a second collapse, but the place is still full of injured people. Teacher Kim leaves everything and heads to the scene.
Episode 11
Go Gyeong-suk does not give up the legal battle over her son's death. She proposes a secret deal to bring down Jin-man, but Teacher Kim opposes to it.
Episode 12
Jin-man fails to find the culprit who broke into the director's office. His reputation is further ruined as incidents from his past become known.
Episode 13
Gang Dong-ju returns to Doldam Hospital, with his unconventional proposals causing a stir in the trauma centre.
Episode 14
Eun-jae performs emergency surgery on a non-trauma patient while she must join another surgery for a patient with multiple traumas.
Episode 15
People injured from a forest fire rush into Doldam Hospital. Yet, the trauma centre is empty due to the staff staging a boycott against Dong-ju.
Episode 16
A fire approaches as if it would devour Doldam Hospital at any moment. Only after evacuating all the patients do the staff realise Teacher Kim was gone.
