The small town of Harrod’s Reach has seen its fair share of the macabre, especially inside the decrepit old train tunnel around which the town was built. After a young boy, Sully Dupree, is injured in the abandoned tunnel and left in a coma, the townspeople are determined to wall it up. Deputy sheriff Beth Gardner is reluctant to buy into the superstitions until she finds two corpses at the tunnel’s entrance, each left with strange calling cards inscribed with old lullabies. Soon after, Sully Dupree briefly awakens from his coma. Before falling back into his slumber, Sully manages to give his older brother a message. Sully's mind, since the accident, has been imprisoned on the other side of the tunnel in Lalaland, a grotesque and unfamiliar world inhabited by evil mythical creatures of sleep. Sully is trapped there with hundreds of other coma patients, all desperately fighting to keep the evils of the dream world from escaping into the waking world. Elsewhere, a man troubled by his painful youth has for years been hearing a voice in his head he calls Mr. Lullaby, and he has finally started to act on what that voice is telling him—to kill any coma patient he can find, quickly. Something is waking up in the tunnel—something is trying to get through. And Mr. Lullaby is coming.
Blackwood mansion looms, surrounded by nightmare pines, atop the hill over the small town of New Haven. Ben Bookman, bestselling novelist and heir to the Blackwood estate, spent a weekend at the ancestral home to finish writing his latest horror novel, The Scarecrow. Now, on the eve of the book’s release, the terrible story within begins to unfold in real life. Detective Mills arrives at the scene of a gruesome murder: a family butchered and bundled inside cocoons stitched from corn husks and hung from the rafters of a barn, eerily mirroring the opening of Bookman’s latest novel. When another family is killed in a similar manner, Mills and his daughter, rookie detective Samantha Blue, are determined to find the link to the book—and the killer—before the story reaches its chilling climax. As the series of “Scarecrow crimes” continues to mirror the book, Ben quickly becomes the prime suspect. He can’t remember much from the night he finished writing the novel, but he knows he wrote it in The Atrium, his grandfather’s forbidden room full of numbered books, thousands of books without words. As Ben digs deep into Blackwood’s history, he learns he may have triggered a release of something trapped long ago—and it won’t stop with the horrors buried within the pages of his book.