Plot:
A group of men are ordered by the Shogun to kill all the Iga ninjas. The chief of the Koga ninjas leads his clan to wipe out their enemies. Random guys are whacked. The Kogas are to retrieve an Iga sword that has map which leads to a gold mine inscribed on the side.
Elsewhere, Lady Iga learns that most of the clan has been killed. She gives her child, Takamara, the sword. A servant takes Takamara away. Lady Iga hari karis herself.
Koga Chief wants Takamara killed.
Too dark to see, Koga attacks ensue. The servant jumps off a cliff with Takamara into the ocean.
Narration ensues about how the Koga chief supplants the Shogun and unifies the country.
Takamara who has grown up is sailing back to Japan.
In the marketplace, Kabuki or Noh play ensues. A group of guys try to get rowdy with the actresses. Takamara, defender of all that is good and protector of women, easily Kung fues them. A couple of guy recognize Takamara’s sword. When some soldiers arrive, Takamara is able to escape by the roofs.
The guys find Takamara later. They all recognize each other. Takamara went to China with the servant. They want to help the poor and overthrow the Shogun’s government. Ishima who can’t stand him still acknowledges him as master. The spider ninjas pay a visit.
Shogun’s castle, the Shogun and Sonny Chiba discuss the military invasion of Korea and need the hidden Mamoshi gold mine.
Airen’s brother wants her to take Takamara’s sword. He overhears the plan and realizes the sword only has half of the map.
Later, Takamara is training. Ninjas are skulking about before the fight breaks out: Samurai versus Tree ninjas. The goons surround Takamara who passes the sword off to Airen. Her Tarzaning vine swinging brother takes her to safety.
Takamara is tortured.
Elsewhere, Airen’s brother realizes that there must be another sword.
Takamara is able to escape and is attacked by a flock of geishas. He swans dives off the ocean side cliff.
One of the bandits, Takamara’s men, is going to be boiled alive in oil. As the villagers are forced to watch, the bandit claims that another will take his place. The guards keep the villagers from leaving. As he is started to be boiled, Takamara leads the men in a rescue attempt which includes burrowing ninjas to Takamara’s aid. The ninjas are easily wiped out. Koga Chief has the guards shoot at the villagers. The men drag Takamara to safety; they can’t keep up the fight without their leader.
That night, Takamara is training or doing an interpretive dance segment.
In the ruins of the Momochi castle, Takamara feels defeated until Hanzo Hattori arrives. He’ll train the head of the Iga ninjas. A Japanese pop song training montage sequence ensues.
Hanzo Hattori sword trains with Takamara. As Takamara and the men are still training, Hanzo gives Takamara the other sword he was to hold the sword in guardianship until Takamara was a man. Both swords show where the gold mine is located.
Takamara finds that Airen has tried to steal the sword. She refuses to tell him why her brother wants them. Hanzo demands that he kill her. Takamara lets her escape and must have to battle Hanzo.
As Hanzo and Takamara fight, Hanzo is finally mortally wounded. He instructs his pupil to use both swords and never show any mercy before expiring.
Airen’s brother slaps her around for failing and for falling in love with Takamara.
The Shogun is dying and talks with Koga Chief about delivering a letter and returning with the response. Sonny demands to be appointed the guardian of the Shogun’s son.
Takamara and the boys find Ilyne, palace girl. She wants to stay with them and shows them a map of the Shogun’s route. This will be Takamara’s best bet for revenge.
Procession heads down the road when they spot something. Takamara’s assault begins. Catapult fu ensues. Archers and riflemen cannot shoot Takamara who is spinning fast enough to deflect any projectiles. Sonny Chiba sends men in squads to hunt down Takamara. Forest fu. 2 sword wielding Takamara unleashes his vengeance on these goons.
Airen is fighting a group of ninjas.
Takamara and Airen are chased back.
Sonny Chiba chases down one of Takamara’s men. Forest trapezery ensues.
Airne’s brother arrives for the Ninja throwdown between Sonny Chiba and him.
Elsewhere Takamara is fighting when Airen is shot.
Sonny Chiba versus Airen’s brother and many cool poses are posed. Takamara arrives. Sonny rides away with Takamara in hot pursuit. Huh-Coo-Coo-Coo..(Sorry Dukes of Hazzard reference).
Airen’s brother finishes off the rest of the goons.
The final showdown, Takamara versus Sonny Chiba. Unfortunately, villainous Sonny Chiba has a short shelf life as Takamara finishes him off.
The shogun dies, and his son became the greatest shogun.
Takamara is about to get rid of the swords when Airen’s brother demands them. Nevertheless, he throws them in the ocean. Airen’s brother walks off.
Takamara rides off with Ilyne off into the sunset to a J-pop song.