In the morning, Ethan woke up alone. The tent was sliced open, and Billy was gone, taken. He was never seen again. Thirty years later, Ethan has returned to Hemlock Circle, still desperate for answers. Who took Billy? Plagued by bad dreams and insomnia, he begins to notice strange things happening on the street under the cover of darkness. Someone is prowling the cul de sac when no one is awake to see them.