In feudal Japan, a blind man named Ichi becomes a hired assassin while navigating a world filled with yakuza, betrayals, and honor. Despite his blindness, Ichi possesses an extraordinary skill with the sword and a keen perception of his surroundings, allowing him to overcome obstacles that many could not face. He embarks on a journey that takes him to a village tormented by the oppression of a powerful criminal gang that terrorizes the residents and has imposed a regime of fear and control.
Along his journey, Ichi meets a group of outsiders seeking to free themselves from the yoke of the criminals, and together they devise a plan to end the tyranny. However, things become complicated when the leader of the yakuza discovers Ichi's presence, and he soon becomes not only a target but also a beacon of hope for the oppressed. As tensions rise and battles become imminent, Ichi must confront his own past and the vengeance that has led him to live as a pariah.
With moments of intense action and dark humor that lightens the burden, Ichi's struggle is not just for justice, but to find his place in a world that, despite his blindness, continues to illuminate his path towards redemption. The story fuses tragedy with comedy, showcasing the individual's fight against the forces of evil in a unique and entertaining way.