Returning to the village where a year before he had killed Hirate, a much-admired opponent, Zatoichi encounters another swordsman and former rival in love.

Blind swordsman/masseuse Zatoichi befriends a young woman returning home with her baby. When gangsters mistake her for Zatoichi and kill her, Zatoichi determines to escort the baby to its father….

Zatoichi is sworn to protect the life of a young girl and without any real allies finds himself in the middle of a bloody turf war.

Jewel thieves become interested in an invisibility formula invented by Professor Nakazato and want to use his invention to acquire a diamond necklace called the “Tears of Amour.”