The film vividly shows the misadventures of Oishi Kuranosuke and the human dramas inside the castle, which lead to the surrender of Ako Castle after seppuku by its lord Asano Takumi-no-kami and the termination of his family's power. This is the first film of the Ako Castle trilogy.
Taikoki is a legendary biography of Toyotomi Hideyoshi, who rose to the office of taikō. And the story of this film is about the rise to power of Toyotomi Hideyoshi from a farmer's son.
A man is brutally murdered and his famed shamisen (a three-stringed musical instrument) called the "Yamabiko" stolen. Prince Kogenta swears to avenge his father-in-law's death and retrieve the family heirloom.
Naosuke, a servant of Okajima Yasoemon, devoted himself to his master. One day, his master Okajima Yasoemon, lost his face in front of people. It was a revenge by Oono, a karo (minister) who lost his chance to earn money by selling a fake antique to the lord. Okajima told the lord it was fake. ...
Osen, a dance teacher who hates men, refuses to become the concubine of a rich merchant, but falls in love with the thief Sojiro, unaware that he is avenging the death of his brother. Jinzo, who wants to win over a rich merchant, pours boiling water on One's face...
The vassals of the Asano clan, who surrendered the castle & became wanderers, deceive the enemy and the public, wait for an opportunity to avenge their master and his family.