Following the end of her 15-year marriage to a high-powered attorney, Evie Carson returns to her small hometown in Georgia only to stumble upon a horrible secret. She is stunned into silence as she watches a mentally-challenged member of the community carry the nude, lifeless body of her childhood friend. The authorities are sure that once the man is arrested, the town's nightmare will be over. But when he turns up dead and Evie's home becomes the center of bizarre events, she and an investigating state trooper fear she may be the next victim. With his help, Evie wages a battle to save her life against the secrets of the oak tree. Soon, she begins to wonder if she is safe from anyone in her hometown, including the state trooper.