On a joyous Christmas Eve, a single father and manager of a building, Dae-ho, is occupied with work. He promised his daughter, Ha-na that they would spend Christmas day together, but unexpected party plans hold him back. Dae-ho entrusts Yoon-hee with his daughter. Everything seems perfect, but little do they know that a fire is about to break out in the building.
On a joyous Christmas Eve, the super-luxurious new landmark building complex is crowded with people. A single father and manager of the building, Dae-ho, is occupied with work. He promised his daughter, Ha-na, that they would spend Christmas day at an amusement park together, but the unexpected party plans hold him back. Dae-ho is left with no choice but to entrust Yoon-hee with his daughter. Everything seems perfect, but little do they know that a fire is about to break out in the building.
The legendary firefighter, Captain Kang Young-ki, is instructed to fight the merciless fire. For the slim hope of survival, what sacrifices and choices will be made by these people who love each other?