Ben Mears had entered the Marsten House twenty years earlier on a childhood dare, and what he saw then still haunted his nightmares. Now an established writer, and following the death of his wife, he has returned to Jerusalem's Lot—a quiet, sleepy town where nothing extraordinary ever happened. That is, until children began to disappear, animals were found drained of blood, and a wave of horror emptied the town, leaving it to "them"... whoever—or whatever—they were.