A powerful spirit resurfaces, bringing terror and brutal deaths linked to a tragic sacrifice from centuries ago. Yeom Hae-sang, a folklore professor, and Lee Hong-sae, a dedicated detective, team up to unravel the dark mystery. Possessed by the ghost of Lee Mok-don, a vengeful child spirit,  you becomes a vessel for the curse's rage. As the supernatural disturbances intensify, Hae-sang and Hong-sae race against time to confront the spirit and end the cycle of violence.