Actor Yoo Ji-tae and Actress Ok Ja-yeon delve into the world of Korean shamanism, following individuals suffering from ghosts and unexplainable phenomena. The series introduces various evil curses, explains the intricate rituals shamans use to lift them, and details the grueling journey of a woman forced to accept a spirit to survive.

Actor Shin Ha-kyun and Actress Han Ye-ri explore the darker depths of Korean shamanism, focusing on malevolent spirits masquerading as divine gods. The series captures the intense battles of victims trying to escape these deceptive entities while investigating how the human mind creates and destroys the very concept of a deity.