Blind masseur Zatoichi is nursed back to health by a young woman after he is shot by a gang member. Zatoichi, who had come to the village to repay a debt, now feels further indebted. He commits himself to use his amazing sword skills to help the young woman's father, whose river-crossing service is under attack by the same gang responsible for Zatoichi's wounds.
Warlord Oda Nobunaga seeks to unite a fractured Japan. A young man trained in the arts of ninjitsu is manipulated by a ninja master into attempting to assassinate the warlord before he completes his task.
The masked daughter of the Shogun wants to kill a samurai who has seen her scarred face. She sends waves of ninja warriors to kill the samurai and plots diabolical schemes / ambushes without much success.
