Cheol Woong, a newcomer, is assigned to Rescue Unit of the Fire Station in Seoul. Soon, he is sent to his first mission with Jin Seop, a veteran fireman working with a glorious title; the man who saved the highest number of people in the fire. While being overwhelmed by fierce fire and pouring smoke, Cheol Woong witnesses that Jin Seop forces to search the occupant contrary to the chief's withdrawal order. Just before the fire gobbles up the building, Jin Seop manages to escape with a girl in his arms, but a colleague loses the life. Cheol Woong's fear becomes an anger against Jin Seop, and blames him for his colleague's death. When their conflict is still at the peak, they're called for another fire scene which changes their fate for good.