The Conjuring follows Ed (Patrick Wilson) and Lorraine Warren (Vera Farmiga), a husband and wife team of paranormal investigators, as they try to help a family who report unexplainable events in their Rhode Island farmhouse. The film, based on a real event, is directed by James Wan, who endeavored to keep as close to the story as possible.

"I wanted to wear the 'based on a true story' label with a lot of pride," Wan told MTV News. "I wanted to be proud of that, I wanted it to be something I could really get behind. So we really researched and talked to the parents and to Lorraine Warren about every little thing, to build a world that I could get their stamp of approval on. If I can convince them, then I've done my job making a movie that pays respect to where they're from."

Wan’s insistence on keeping as close to the truth as possible isn’t just about his integrity. He genuinely feels like it makes The Conjuring a better horror film. "I really wanted to ground the movie as much as I could," he said. "I honestly really believe that if I ground the movie as much as I can, the scares are much more effective."

As a filmmaker, Wan is probably best known for the Saw horror franchise. The last installment, Saw 3D: The Final Chapter, came out in 2010. His ability to turn the first film into seven successful fright fests has led some to wonder if he’s planning sequels to The Conjuring. "I don't set out to make a movie wondering if there could be two, three, four or five more, I don't do that," he said. "But having said that, I do concede that a movie about the Warrens is a very organic way of investigating future stories."

The story of the Warren couple’s efforts to rid the Perron family home of the supernatural forces at work was adapted for the silver screen by writing brothers Chad and Carey Hayes.

The Conjuring is currently in wide release.

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