The Horde Breaks In! A new miniseries set in the time of THE GATHERING DEAD! The walls are up, the trench lines are dug, and the razor wire is strung. Billionaire Barry Corbett has succeeded in turning the town of Single Tree into a desert fortress. As Los Angeles slips into the grasp of the dead, Corbett and the townspeople of Single Tree finalize their preparations to meet the oncoming waves of carnivorous corpses. But despite all the planning, can the walls hold?