With a Kansai syndicate setting their sights on Tokyo, a former yakuza boss gets dragged back into a world of violence.

Official Shogunate executioner Ogami Itto has been framed for disloyalty to the Shogunate by the Yagyu clan, against whom he now is waging a one-man war, along with his infant son, Daigoro.

Ogami Itto is challenged by a quintet of warriors, each armed with one fifth of Ogami's assassin fee and one fifth of the information he needs to complete his assignment.

Koryu heads to Yokohama in search of a woman named Birei, kidnapped by diamond smugglers who move their hot rocks by surgically implanting them into the nubile buttocks of Chinese prostitutes. Koryu's older sister, working as a jewelry designer, is secretly, if unhappily, involved with the gangsters.

[Period covered: 1616] On May 8th, 1615 the summer campaign of Osaka has reached the climax. This film takes place immediately following 'Ninja 4: Mist Saizo, Last of The Ninja'. Staying one step ahead of the Shogun’s forces, “Mist” Saizo tries to save the Sanada Clan, and avenge the death of his lord by assassinating the first Tokugawa Shogun. Following the first four films in this remarkable series, more previously unknown Ninja skills are shown to the world for the first time. The action heats up as Saizo single-handedly attacks the Shogun’s Palace!

With most of his family already dead at Ogami Itto's hands, Retsudo launches one final plot to destroy him, and when that fails, unleashes the fury of every remaining member of the Yagyu clan.

A Japanese bullet train is threatened with a bomb that will explode automatically if the train slows below 80 km/h, unless a ransom is paid. Police race to find the bombers so the train crew can learn how to defuse the bomb.

Akira Inugami is the only survivor of a clan of ancient werewolves who relies on his supernatural powers to solve mysterious crimes. After a series of bloody killings perpetrated by an unseen force, Inugami uncovers a conspiracy involving a murdered cabaret singer, corrupt politicians, and a plot by the J-CIA to harvest his blood in order to steal his lycanthropic powers.

After being cruelly set up and deceived by Sugimi, a detective in cahoots with the mob with whom she was whole-heartedly in love, Matsushima’s desire for revenge knows no bounds.