Despite of his father Tae-Min the ex-boxer's recommendation, Se-Il declares not to be a boxer and keeps away from boxing when he meet Young-Ah who likes boxing. Meanwhile, Tae-Min falls to sickbed because of heavy drinking in sadness when his son does not understand him and Young-Ah too leaves Se-Il. Enraged at it, Se-Il challenges to the four-cornered ring. On the day when he is about to fight on the ring, his mother who's been thought as dead comes and asks him to complete his father's dream. The way to the champion is long and difficult journey.