As a child, Yoon Hwa-pyeong witnesses the violence of a spirit that possesses humans. Years later, a psychic vision leads him to a reservoir.

Choi Yun and his partner's exorcism of a possessed man ends in tragedy. Hwa-pyeong convinces Kang Gil-yeong that the man's daughter is still alive.

Hwa-pyeong gets a vision of a kidnapped woman in a car trunk. He asks Gil-yeong to check missing persons reports while he looks for the culprit.