Premise of the film follows two physicists (Cillian Murphy, Sigourney Weaver) who debunk claims of paranormal activity, before running up against a man (Robert De Niro) who may actually have special powers :
"...a psychological thriller which explores the human brain’s perception mechanisms and the diffuse frontiers between belief and science, 'Red Lights' starts out from the experiences of two rationalist scientists who dissect phenomena from the metapsychic world, and the clash of forces with a world famous psychic they bring about.