In a small, war-torn Japanese village plagued by two rival factions, an enigmatic and skilled ronin arrives, seeking food and shelter. The ronin quickly assesses the dismal state of the town and learns that the two gangs, led by Seibei and Ushitora, are vying for control, bringing suffering to the villagers caught in their conflict. Recognizing an opportunity, the ronin decides to cleverly play both sides against each other in hopes of gaining control and bringing peace to the town. He demonstrates his prowess by swiftly taking down three of Ushitora's men, which earns him offers of employment from both gangs.

Employing his wits, the ronin manipulates events to further intensify the rivalry between Seibei and Ushitora. He positions himself in such a way that neither gang can fully trust him, ultimately aiming to destroy both factions through their mutual suspicion and greed. Along the way, he encounters various town residents who reflect the desperation and futility brought on by the ongoing conflict. From prostitutes to gamblers, each character reveals deeper layers of the town's misery. As tensions escalate and battles break out, the ronin's plan begins to take shape, setting up a final confrontation that will determine the fate of the entire village.