The screenplay hails from Chad Hayes & Carey W. Hayes & James Wan and David Leslie Johnson with a story by Chad Hayes & Carey W. Hayes & James Wan.
In 2013, James Wan brought to the big screen the true story of paranormal investigators Ed and Lorraine Warren with the hugely successful The Conjuring.
Starring Vera Farmiga and Patrick Wilson, The Conjuring went on to gross $318 million at the worldwide box office, making it the second-highest grossing original horror movie of all time, second only to The Exorcist.