Set in the 1960's, Joe Yabuki lives in a run-down low income ara. There, alcholic ex-boxer Danpei Tange notices Joe Yabuki's talents as a boxer. But then, Joe gets into trouble and is sentenced into the youth detention center. In the youth detention center, Joe gets into a brawl and then is knocked out by Toru Rikiishi who is a champion caliber professional boxer.