Even in the harshest environments, firefighters must focus on extinguishing fires and rescuing everyone there. At 3:47 AM on March 4, 2001, the 119 emergency call center receives a phone call about a fire that has broken out in the Hongje-dong neighborhood. Firefighters, including newcomer Cheol-woong, rush to the scene.
| Actor | Role |
|---|---|
 Joo WonCheol-woong | Cheol-woong |
 Kwak Do-wonJin-seob | Jin-seob |
 Yoo Jae-myungIn-gi | In-gi |
 Lee You-youngSeo-hee | Seo-hee |
 Kim Min-jaeYong-tae | Yong-tae |
 Oh Dae-hwanHyo-jong | Hyo-jong |
 Lee Jun-hyukGi-cheol | Gi-cheol |
 Jang Young-namDo-soon | Do-soon |
 Hwang Sung-joonHyun-soo | Hyun-soo |
 Heo JinSun-ja | Sun-ja |
 Hong Sang-pyoGyeong-ho | Gyeong-ho |
| HHan Jae-woongJun-hyeok | Jun-hyeok |
| KKwak Young-sinSang-bong | Sang-bong |
| HHeo SeungSeong-ho | Seong-ho |
| LLee Min-seongDong-soo | Dong-soo |
 Lee Yong-yiYong-tae's mother | Yong-tae's mother |
 Jeong Jong-junSupermarket owner | Supermarket owner |
 Jeong Gi-seopTailor | Tailor |
 Kim Mi-hwaIn-gi's wife | In-gi's wife |
 You Seong-jooTeam Manager | Team Manager |
 Seo Min-jooAn Hyo Min [Hyo Jong's sister] | An Hyo Min [Hyo Jong's sister] |
| LLee Hak-ryulYong-tae / Hyo-jong Stand-In | Yong-tae / Hyo-jong Stand-In |