The first boss of the Kanno-gumi in Kanto was killed in a conflict with the Imano-gumi, which was expanding its influence mainly in the Kansai region. Then, just before the ceremony to announce the succession of the second boss, the gang's executive, Kanno Zenkichi, and many other members were arrested, and Zenkichi's wife, Maika (Asano Maika), took over as the second boss. There was a strange rumor about Maika, the second boss. She was said to be making advances on young girls every night... And Ayumi, the wife of the Kanno-gumi's underboss, discovered the truth of the rumor with her own body. Who killed the previous boss and brought down the gang?