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 Tatsus dynamic personality he volunteers to become a gobetween 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