A fire breaks out where the samurai district adjoins the poorer district. The daimyÅ's Kites of Kaga from the samurai district and Team Ha from the community group of firemen fight over jurisdiction while the fire burns. Later, the Daimyo's number-one flag bearer, Genji, is killed in a laneway. Kokichi from Team Ha is the chief suspect. They had been competing over a Fukagawa geisha named Koinaga. Kokichi is arrested, but they suspect that he may have been framed. Koinaga tells them he spent the night with her...