After the tragic death of his daughter, Maurice Grosse joins the Society for Psychical Research in London. But while investigating the Enfield Poltergeist in 1977, he is haunted by coincidences surrounding paranormal activity that appears to be centred around one particular girl. Based on the true events of the infamous Enfield Poltergeist case, this is a journey of redemption, and the chance to lay old ghosts to rest.