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.
Quest roles:
Lee Kyu-ho(Mr. Goo (Goo Hwang-woo)), Lee Ji-hyeon(Choi Soon-young's Mother), Lee Do-guk(Chief Park of Field Control Team), Cho Dong-in(Math Academy Teacher), Han Gi-joong(Head of Jongseon), Lim Jae-geun(Paramedic Heo), Oh Min-ae(Ko Kyung-sook), Lee Ki-seop(Ko Kyung-sook's Aide), Lee Ga-yeon(Seo Joo-young), Ha I-aan(Student with Scraped Leg), Oh Min-jung(Tteokbokki restaurant owner), Yoo Sung-min(Student Park Jung-min), Hyun Gun-woo(Unconscious Dance Academy Student)