Immersed in the chaos and bloodshed of the Sengoku period war, a squad of Japanese soldiers from the Self-Defense Force find themselves displaced through time. Under the command of Lieutenant Iba, they see this as a chance to realize their dream of becoming leaders of Japan. Allied with the warriors of Kagatori, a medieval samurai who also dreams of Shogun status, Iba hopes to assert his power. But which of these ambitious warriors can be trusted?