When Olivia Grant returns to her quiet hometown, she quickly learns that the forest behind her new house hides a terrifying secret. Strange sounds echo through the trees at night and people in the town whisper about mysterious disappearances. After encountering a creature that was once human, Olivia discovers that something ancient lives deep within the forest and it has the power to change those who wander too close. Now she must decide whether to flee the town or uncover the truth before the darkness in the woods reaches her.