In the depths of the slums, Je-oh, a male prostitute, struggles at the lowest rung of society, feeling like a mere pawn in a larger game. Despite his efforts to break free, only scars mark his failed attempts until a fateful encounter changes his fate. Rescued by a mysterious serial killer, Seong-rok, who has his own agenda involving a former prostitute seeking retribution, Je-oh finds himself in an unexpected alliance. As motives intertwine and loyalties blur, Je-oh's unconventional skills and determination propel him into a dangerous game of vengeance, where every seductive move becomes a strategic play.