
Teacher Kim used to be alone in protecting Doldam Hospital, but now he's not alone anymore. With the mindset that he'll did anything if it gives money, there is Seo U-jin who has been reborn as a doctor who truly knows how to care for patients. There is Cha Eun-jae, who no longer runs out of the operating room due to anxiety. Teacher Kim, who has dreamed of build a regional trauma center with his students and colleagues. Finally, a regional trauma center built at Doldam Hospital. A perfect trauma center with a clean exterior and state-of-the-art facilities but it couldn't open properly. The regional trauma center faces a precarious fate... Will Teacher Kim be able to establish the regional trauma center at Doldam Hospital which was his long-cherished desire?

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.