Margaret Matheson (Sigourney Weaver), a psychology doctor, is good at using scientific means to analyze various unexplainable supernatural phenomena, and is full of doubts about the so-called superpowers. With the help of assistant Tom Buckley (Cillian Murphy), they went deep into the countryside and exposed one "psychic" scam after another. At the same time, Simon Silver (Robert De Niro), a superpower who once caused a sensation in the 1960s and 1970s, made a strong comeback, causing a new wave of craze. Margaret once exposed the true form of Simon's disciples, but she always avoided a head-on confrontation with Simon. Some people's instigation seemed to make their confrontation possible, but Margaret died suddenly. Tom, who was filled with grief and anger, decided to challenge Simon alone. He didn't know what he was about to face...