When Miura Kyoji, a devoted kendo pupil, learns that his shisho, Tate Masanari, is actually the reincarnation of a malevolent Incan warrior named Yawaru, he is stunned. Yawaru is determined to cleanse the world by destroying it, and he has recruited other awakened spirits to control the powerful forces of nature. However, Kyoji is not an ordinary warrior; he is Bilka, who previously thwarted Yawaru's attempt at supremacy. As events unfold, Kyoji faces a dilemma. Will he accept his destiny as Bilka's successor or maintain his identity as Miura Kyoji and save the planet?