Before there was Amityville, there was Harrisville. Based on a true story, "The Conjuring" tells the horrifying tale of how world renowned paranormal investigators Ed and Lorraine Warren were called upon to help a family terrorized by a dark presence in a secluded farmhouse. Forced to confront a powerful demonic entity, the Warrens find themselves caught in the most terrifying case of their lives. Directed by James Wan ("Saw,""Insidious") and starring Vera Farmiga, Patrick Wilson, Ron Livingston, and Lili Taylor, "The Conjuring" opens in theatres July 19th.
Source
Me the whole time watching this trailer: