In a Toei all-star effort, Matsukata Hiroki, Otomo Ryutaro, and Konoe Jushiro combine to create an exciting black and white sequel to the classic story of 17 Ninja, one of the most famous films from that noted studio. In the year 1651 the Kishu clan is about to rise against the Tokugawa shogunate using a stash of muskets being guarded by Jinza the leader of the Koga ninja. The Iga ninja are called upon to stop the revolt under the leadership of Hattori Hanzo setting off a spy versus spy battle of silent ninja stealth. Through all the turmoil, Shizaburo and Yuka have broken the taboo of ninja falling in love and strive to achieve the forbidden life of happiness that is denied to all members of the ninja class.
Nathan Algren is an American hired to instruct the Japanese army in the ways of modern warfare, which finds him learning to respect the samurai and the honorable principles that rule them.
After the defeat of their old arch nemesis, The Shredder, the Turtles have grown apart as a family. Struggling to keep them together, their rat sensei, Splinter, becomes worried when strange things begin to brew in New York City.
A wave of terror is threatening to unseat Shogun Yoshimune. Police stations are erupting into flames, convicts escaping from prison, houses robbed and vandalized, streets teeming with panicked citizens.
The four turtles travel back in time to the days of the legendary and deadly samurai in ancient Japan, where they train to perfect the art of becoming one.
The Turtles and the Shredder battle once again, this time for the last cannister of the ooze that created the Turtles, which Shredder wants to create an army of new mutants.
While the Civil War rages on between the Union and the Confederacy, three men – a quiet loner, a ruthless hitman, and a Mexican bandit – comb the American Southwest in search of a strongbox containing $200,000 in stolen gold.