Shimizu Jirocho aka Yamamoto Chogoro has established a family in Shimizu Port and works on river construction. One day, Inosuke is killed, and suspicion falls on the Jirocho family. Oryu, Inosuke's daughter, attempts to take revenge on her father. Little do they know that the killing is the plot masterminded by Kitsu An Takei and Katsuzo Kurokoma who have returned to take revenge on Chogoro and the Denzo families.