Bestselling author Preston Vance travels to the remote town of Greenwood to uncover the truth behind a legend of vanished children. He finds a town that keeps silent. A town that watches. A town that doesn't give up its secrets-or its visitors.

For Ethan Thorne, sleep paralysis is a nightly terror. But his waking dreams of a grinning butcher take a horrifying new turn when an antique bed becomes the stage for his nightmares. Desperate, he seeks help from a psychologist, Dr. Nancy Parker, to unravel the meaning behind the visions. But as he tells his story, he begins to realize the most terrifying monster might not be the one in his dreams.

One letter. Four parts. A horror that will never let you go. ​Follow Dr. Miles Everett into the cursed Blackwood Asylum, where a nightmare passes from patient to patient, leaving a bloody trail in its wake. ​A new part of this lost letter will be released every week. With each installment, delve deeper into the Butcher's mystery-and the doctor's madness. ​Read it, if you dare.