Yasuda, a young head of the Morisada clan of the Keihin Union, wonders if the murders of his gang member Iwami and his girlfriend were the work of Fujioka, the head of the Fujioka Sogyo clan of the Kurokawa clan. However, the truth is that the assassinations were carried out by Narita, a young head of the Kurokawa clan, at the request of a member of the ruling party. Narita plots to turn the disturbance into a war between the Morisada clan and Fujioka Sogyo...

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