Watch Bombuj. Seong-cheol is a high school student who grew up neglected. In order to make money in a harsh society that abandoned him, he teamed up with Gi-joon, who is two years younger than him, to use his status as a minor to make money and seek a big blow. A father who left home, a sick brother and a mother whose cares for him. Seong-cheol, who was abandoned in hellish reality, starts a desperate survival in his own way.