This is the story of a samurai who falls on hard times due to misunderstandings and follows the plots of his enemies.

Based on the original story of a wandering gambler written by the popular author Shin Hasegawa. This is the first film adaptation of his story, which later inspired many filmmakers to create further adaptations of his work. The first half of the movie depicts a man's jealousy of his best friend and the woman he loves. The second part depicts a hero who is ready to put the past behind him and risk his life for his friend.

Ryôma Sakamoto unites the Choshu and Satsuma clans and paves the way for the Meiji Restoration.