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.

The trauma centre loses a patient and receives another patient in critical condition. Meanwhile, a child visits Teacher Kim at Doldam Hospital.

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.

As the patient's lung condition deteriorates due to tuberculosis, Teacher Kim opens the trauma centre operating room for Ri Bok-young's surgery.

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.

Patients rush into the emergency room while the staff tends to surgeries. Doldam Hospital falls into chaos as the gunman's identity is revealed.

When an old building collapses resulting in several casualties, a disaster medical support team is dispatched to the site.

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.

Yoon A-reum protects a patient's rape kit from falling into wrong hands. Min-guk finally brings up the bus accident from 11 years ago to Teacher Kim.

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.

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.

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.

Gang Dong-ju returns to Doldam Hospital, with his unconventional proposals causing a stir in the trauma centre.

Eun-jae performs emergency surgery on a non-trauma patient while she must join another surgery for a patient with multiple traumas.

The inspector from Geosan tries to stop the Doldam staff from treating patients. But there's a multicar accident -- and a drunk driver at the scene.

Seo-jeong volunteers to deal with a critical patient. Doldam averts a crisis. Dong-ju shows his appreciation. Teacher Kim catches In-beom's mistake.

A large audience waits outside the operating room -- and not everyone wants the team to prevail. A shifty reporter starts lurking around Doldam.

It's only after time passes that seemingly minor moments in life start taking on greater meaning. Yun-wan gets his way -- and orders Doldam's closure.

Teacher Kim takes the staff to Seoul. Yun-wan won't let his old rival have the spotlight. Bu Yong-ju is hurt but stands by romance and his principles.

Do In-beom returns to Doldam Hospital to investigate an unsuccessful surgery. Min-guk decides between his greed and the truth.

Bae Mun-jeong comes clean to U-jin about the connection between their families. Teacher Kim secures a safe future for Doldam Hospital.

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.

In a twisted world that demands blind obedience to its rules, there's no room for those with integrity and ability. Shin's surgery gets complicated.

Teacher Kim plans to do the impossible, and Yun-wan will do anything to stop him. In-beom wants to do the surgery -- for the team, not his father.

Yun-wan makes sure that old wounds don't lie dormant. The furtive reporter keeps snooping around. Dong-ju confronts Teacher Kim about the past.