A story loosely based on the affair between Empress Kōken-Shōtoku and the monk Dōkyō, set during the Nara period (710–794 A.D.).

Tired of everyday life, the 8th Shogun Yoshimune flees Edo Castle and asks Ooka Echizen to become his personal assistant. In a rice shop, Yoshimune meets a simple ronin Ohashi Kenshiro, and receives permission to stay at his house, but a mysterious corpse awaits him in the house... And then the second, third and fourth murders occur...

The shogun's vassal Harima Aoyama and a chamber maid are in love with each other, but they cannot be together due to a difference of their status. Soon, an offer of marriage is brought to Harima. Trying to test his love, Okiku breaks one of the plates of the family treasure of the Aoyama family, but Harima doesn't notice. However, someone surrounding her witnesses the moment Okiku breaks the plate on purpose.

1962 Japanese movie

As winds of change sweep Japan, an honest man joins the Shinsengumi out of admiration for its leader, and because he wants to live and die as a samurai. However, as his involvement grows, reality and idealism come into deadly conflict.

In Edo-period Japan, Shingo is born the son of an assassin who was executed for murdering her lord’s concubine. Decades later, his adoptive family is massacred for keeping the secret. Armed with an unbeatable swordfighting technique, Shingo embarks on the path of the masterless samurai in search of vengeance and a path beyond his own ignominious origins.