Mother and daughter go on a dream trip to the lake. Just the two of them, a beautiful place and autumn colors all around. They have no idea that they are in the territory of a depraved killer. When Alison and baby Hazel go missing, behavioral specialist Dr. Kay Sharp vows to find them alive. But the corpse of a woman is found, buried in a gruesome ritual with feathers in her hair, and Kay has an ominous feeling that the mother and the girl will share the same fate. Locals fear they're next and whisper about ancient burial grounds, while Kay Sharp discovers she's being followed. Is she getting too close to the most twisted killer of her entire career, or is her past catching up with her?