Paranormal investigators seek to understand the supernatural and often use their knowledge to help others. But what happens to these experts when the subject of their studies turns on them?Stacy Jones has dedicated her life to helping others understand and cope with paranormal threats. As an expert, she feels comfortable allowing her teenage son, Jamie, to join her on an investigation at a cemetery near their home in New York. But soon after he returns home, Jamie discovers a strange marking scratched into his leg. Jaime hears unexplainable noises resound in the house and sees objects fly across the room. He knows he has awakened something evil.When Stacey witnesses the demon attacking Jamie, she enlists her friend and colleague John Zaffis to save her son from an entity bent on possessing his soul.