Komatsu Takioka is boss of a Yakuza group rival to Masakichi Kijima boss of the Kikuya group which supports the town vendors unlike Takioka, who will stop at nothing to undermine the vendors and take over the territory. Masakichi will do all he can to protect and support the people. Ryutaro Kijima is senior son to Masakichi, though disowned, he keeps interest in the family from a distance. He will be there for his father and his hot tempered younger brother Katsuo, if they should need his loyal help.
The Yagyu Family have been teaching the Shinkage style of fencing for generations. Now a new fencing school has opened in Edo, claiming to be the true Shinkage style. Yagyu Jubei faces his biggest challenge yet when the master of the new school claims he is the legitimate successor of Shinkage and tries to take the Yagyu's political power.
Richshaw man Tatsu has wandered to Osaka from Tokyo. He has quarrels with Kimiyakko, a geisha, and throws her into the river. But later, he falls in love with her. Yasaburo, the oyabun of the Nishikawa Gang, loves her very much too. However, as he likes Tatsu's dynamic personality, he volunteers to become a go-between for their marriage. Yasaburo gets tipped off by Yajima who wants to take over the territory of the Nishikawa Gang, and is arrested and imprisoned. After his release, Yajima tries to kill him. Ginjiro, a lover of Tamaryu respects Kimiyakko as an older sister and a follower of Tatsu, is murdered. After the third marriage ceremony just between Tatsu and Kimiyakko, Tatsu goes off to the place of fighting.
