In Sheriff Boyd’s absence, Donna and Kenny struggle to manage the chaos as a busload of unwitting newcomers arrives in town. Victor and Tabitha go on a chilling journey through the nightmarish labyrinth of tunnels beneath the town.

Sara must face the music, as word of her return spreads through town. Victor and Jade strike an unlikely bargain.

Boyd fears he may have finally run out of answers, as the residents of town prepare for the end. Tabitha clings to the belief that the children could be the key to their salvation.