A costumed film featuring the famous hero of Japanese history, Isshin Tasuke, arranged in the form of a popular song.

The fourth part in the series "Code Between Brothers". The story takes place in Fukagawa, Tokyo, at the beginning of the Showa era, where five players following the harsh path of a knight defeat a despicable Yakuza gang.

Ryuko was raised by her father, a gambler named Senzo Yano in Kumamoto, Kyushu, after her mother died when she was little. When she turned 18 years old, her father was attacked and killed by a stranger in alley. Ryuko then dissolves her yakuza family, and, carrying the wallet left by the killer, she sets out on a journey to avenge her father’s death. Five years later, she wanders the nation, known only as! Red Peony Oryu who has a red peony tattooed on her shoulder and has the defiance and courage of a man. She meets Katagiri - a loner gambler, Kumatora - boss of a family in Shikoku, and Otaka - female boss of the Doman Family in Osaka. With their help, she finally catches up with the man who murdered her father.

Oryu the Red Peony, a wandering female yakuza on a soul-searching journey after the death of her father. After collecting her sickly follower from jail, she is taken in by a fishing village. Feeling indebted to their generosity, she stays to work for the village and promises to leave her yakuza ways behind. When a dispute breaks out for the gambling rights to a local festival, the villagers are harassed by a gang of thugs. When the harassment turns violent, Oryu must decide wither to keep her promise or protect the villagers.

Tokyo, 1934. The boss of the clan that controls gambling agonizes and some of his followers propose to Nakai to take his place, but he refuses the offer.

Vice Admiral Takajiro Ohnishi could see that Japan's defeat in WWII was inevitable. He came to realize that the only way to force a negotiated solution was to convince the Americans that invading Japan would cause massive casualties on both sides. The cold logic of suicide attacks, where one man and one plane could kill hundreds, seemed the only solution. In one of the cruel ironies of fate, Ohnishi actually succeeded; he convinced the Americans that invading Japan would be too costly in lives. But what he could not foresee was that America had another way of ending the war.

Young geisha Koshizu's wish of reuniting with the man, Yukichi, who helped her ten years ago comes true. When she learns of the trouble Yukichi's business is facing, she stands ready to come to his aid, and thus repay a debt that's long overdue.

Popular geisha Shinji (Fuji Junko) must defy a gang who plot to steal a lucrative coal business from struggling miners during the turbulent Meiji Era. A stellar all-star cast, a thrilling story, and Takakura Ken's violent swordplay, make this a classic Yakuza movie!