At Colony House, Tabitha and Julie grapple with their new nightmarish reality. Out in the forest, Jim, Boyd and Kristi struggle to treat Ethan's injuries. Tragedy strikes from an unexpected source as a new threat arises among the residents of the town.

The Matthews' family road trip takes a horrifying turn when they are detoured to a small pastoral town from which they cannot leave. When their family RV crashes, Sheriff Boyd Stevens and other residents rush to save them before the sun goes down.