Young lord investigates the mysterious death that takes place in the underworld.

In the fourth installment, Musashi's potentially greatest opponent Kojiro jumps in and out of the story at the oddest and most coincidental moments. As his great love Otsu has succumbed to madness. Musashi then sets off to beat the functionaries of a treacherous clan in an arranged duel. 73 against one. Boastful Kojiro watches, secure in the knowledge that only he is a worthy opponent.

Drama is afoot at Shirobara Middle School when the bold Henmi Ryoko transfers into Class A, 9th Grade. She immediately picks a fight with, Masuda, the head of the preparation committee. The girls' battle for control of the gang soon grows out of control as it sweeps up the entire school. Brawls. Seduction. Yakuza. And more!

Set in the pleasure district of Kyoto, Tamiko (Yoshiko Mita, in her first lead role) is a young girl attending high school by day and training as a geisha at night She sees her future as an entertainer, not a prostitute, & she expects a happy marriage with a medical student, Yasuke (Katsuo Nakamura), a sweet fellow she deeply loves. but things started to getting worse for Tamiko and she's forced to become the mistress of the disgusting Tsukada (Seiji Miyaguchi).

A war breaks out on the streets between rivaling Yakuza clans.