Centering on a young drifter almost casually drawn into violence--a crime drama about a boy and a man equally ill-equipped for criminal life and straight society. Neither wants to be a Yakuza, but normal life presents problems.

Katsu, who belongs to the Murai group of the Sakagami Union, was frustrated by the distance from the yakuza world he had envisioned. At that time, Katsu, who met Osamu who belongs to the conflicting Dainippon Kyokushinkai, feels the real gangster scent of Osamu.

Shibuya, Tokyo. Yoichi and Michio are a pair of hoodlums who make their living as bookies at horse races. One day, Yoichi's companion commits a crime, which leads him to become a real yakuza. In this way Yoichi wishes to put an end to his hoodlum days, but on the other hand he has to leave his brother Michio behind...