In the middle of the 16th century, Hideyoshi, a power hungry warlord sets out to destroy the Momochi clan. He sends his war commander in search of the clan’s hidden gold only to find that two daggers are the key to the hiding place of the treasured gold. Spanning decades, the quest for the missing daggers takes Shiranui through war and ancient tradition.

Mr. Soh, a righteous man with a cold stare and fists of steel, returns to a lawless post-war Japan in 1946. He protects the weak, defends the poor and knocks some good sense into friends and enemies alike. Rapists and gangsters get the worst of it, as Mr. Soh builds up his school on the island of Shikoku.