Yurihime, the princess of the Shinobi clan, learns that the evil Maya-kashi clan—bent on destroying humanity—has resurfaced, and resolves to gather allies to fight back. Assembling the five Shinobinjas becomes their only hope. However, uniting comrades is essential to stand against the Maya-kashi attacks. Transforming into Shinobi White, Yurihime battles the enemy but falls victim to the sorcery of Murasa-hime, daughter of the Maya-kashi king, Gashaking. Intending to test Shinobi White before delivering her to Gashaking, Murasa-hime torments her mercilessly. What follows is a crucial event leading directly to the final outcome.