Gunawan, a man widely admired for his kindness and impeccable reputation, is relentlessly pursued by a mysterious killer before ultimately meeting a brutal end. As the truth unfolds, however, it is revealed that the killer is not acting at random but is seeking revenge. Behind Gunawan's mask of virtue lies a sexual predator whose actions drove the killer's younger sister to take her own life. Shielded by his wealth, influence, and social standing, Gunawan escaped legal consequences. In the end, the mysterious killer becomes the one who delivers the justice that the law failed to provide.