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.
Green is a professor in a long-term relationship with her lesbian partner. Failing at preparing the deposit for the house and Green being laid off for helping her homosexual colleague, the only option they can choose is to move in with Green’s mother. As their awkward stay prolongs, the mother drives all her energy into her job as a caregiver.