During the tumultuous Bakumatsu period, Yojiro Akizuki, a roving mercenary, traverses Japan wielding his sword not only in battles but also in search of mystical artifacts, a relentless pursuit that frequently ends in violence. Along his journey, he encounters a mysterious theater troupe harboring ominous motives. Is their encounter mere happenstance, or is it linked to a hidden scheme waiting to be unraveled?