During the Tokugawa Shogunate, the freedom-loving Iga ninja Kamui (Matsuyama Kenichi) chose to flee because he was tired of the endless killing. He was endlessly hunted down by his former comrades. One day, while evading the pursuit of Matsuyama lord Mizutani Gunbei (Sato Koichi), Kamui met the fisherman Hanbei (Kobayashi Kaoru) who cut off the lord's horse leg, and then returned to Xindao to hide. Hanbei's wife Sayaka (Koyuki) was once a fleeing ninja, and Kamui's arrival made her wary. Soon, Hanbei was reported by his neighbors and was captured by the lord to be executed. Kamui and Sayaka worked together to break into the execution ground to save Hanbei. This action also attracted the attention of the Iga ninja who had been tracking their whereabouts, and the fateful battle was inevitable... This film is adapted from the second part of the original work of the same name by Japanese manga artist Shirato Sanpei.