In this gritty Yakuza drama about the struggles between the Kanto Yakuza forces and Tohoku forces, a newcomer of the Kishimori Group takes on the dangerous task of launching a new office in rival territory.
An incident occurred where a member of the Sannokai who sparked a dispute at the gambling house was shot dead by a member of the Umeyama group dividing the place. This is the beginning of the "Osaka War" that shook the world of Japanese gangsters.