In a quiet neighborhood in Seoul lives a solitary man, a former special agent who has left behind his life of action to become a mysterious vigilante. His routine changes drastically when he crosses paths with a young neighbor who falls victim to a dangerous criminal organization. The girl, shy and vulnerable, ends up being kidnapped, and the reluctant hero cannot stand idly by.
With his protective instincts awakened, he decides to intervene to rescue her. As he delves into the dark world of crime, an impressive arsenal of skills is revealed. In this thrilling quest, he faces a series of violent confrontations and ambushes, where every punch counts and danger lurks around the corner. The violence is ruthless, and emotions run high.
Throughout the plot, layers of the protagonist's past are peeled back, revealing his internal struggle and the reasons that led him to become a hermit. As he draws closer to his objective, an unexpected bond forms with the young woman, who becomes a symbol of redemption in his life. With unexpected twists and electrifying action scenes, this film weaves together drama, revenge, and deep human connection, showcasing that even a hardened heart can find light and hope in the darkest of times. The climax is an adrenaline explosion that will leave viewers on the edge of their seats.