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.

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People injured from a forest fire rush into Doldam Hospital. Yet, the trauma centre is empty due to the staff staging a boycott against Kang Dong-joo.

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

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

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Cha 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.

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Ko Kyung-sook does not give up the legal battle over her son's death. She proposes a secret deal to bring down Cha Jin-man, but Teacher Kim opposes to it.

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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.

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

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

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Wounded soldiers are rushed to Doldam Hospital. Ah-reum is left alone to tend to the emergency room when rogue patients suddenly cause a scene.

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

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Cha Jin-man hates that Teacher Kim's methods are deeply rooted into Doldam Hospital and takes everyone except Sun-woong and Dong-hwa to the trauma centre.

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Patients injured in a residential fire are rushed into the emergency room. Woo-jin treats the suspected arsonist despite Dong-hwa's criticism.

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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.

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

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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.

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