A young boy named Manit witnesses the brutal murder of his parents by corrupt policemen in Bangkok. Left for dead with a bullet wound to the head, he miraculously survives but is left with a severe brain injury that strips him of his emotions. Rescued and taken to a secluded martial arts school, Manit is trained in the ways of combat by a wise and skilled master. Over the years, he hones his skills to near perfection, growing into a formidable fighter with a single-minded focus on revenge.

Years later, Manit returns to Bangkok as an adult with a singular mission: to track down and eliminate those responsible for the murder of his parents. As he navigates the dangerous streets and the seedy underbelly of the city, he faces numerous challenges and encounters both allies and enemies. His journey is fraught with intense action and violent confrontations, slowly unraveling a conspiracy much deeper than he initially imagined. With his unmatched fighting skills and steely determination, Manit inches closer to his ultimate goal, driven by the burning memory of his devastating childhood loss.