Dr. Lila Bennett takes a remote research job in a dense forest, only to discover something unnatural lurking within it. As strange voices begin calling her by name and her notes mysteriously change, she realizes the forest is aware of her presence. With the help of a wary ranger, she uncovers a chilling truth that the forest does not just exist, it learns. In the end, the forest remains, growing and waiting, ready to claim its next visitor.