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.

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 must choose which of the two settlements they will join. Meanwhile, Jade comes to terms with his situation and Boyd is faced with an impossible decision that strikes at the very heart of life in the town.

Julie finds comfort in her new friends. Jim and Tabitha deal with their struggling marriage. Ethan ventures off into the forest with Victor. Father Khatri urges Boyd to embrace his role as leader. Sara receives another horrifying directive.

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.

A tense night in the diner as the residents and newcomers wait for sunrise. Fear permeates the wreckage beneath the Matthews house, as Jim and Tom struggle to keep a panicked bus passenger quiet.

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

Tensions run high at Colony House when word of the coming food shortage leaks out. A night at the clinic takes a terrifying turn.

Panic spreads through town as the residents face a chilling new threat to their survival. Jim realizes the magnitude of the mistake he made by enlisting Randall in his cause.

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.

Boyd feels the town slipping away from him as the weather grows colder and the residents more desperate.

Boyd struggles to find a path forward as the town bids farewell to one of their own; Fatima's health takes a turn for the worse; Tabitha finds help from an unlikely ally.

Kenny leads a group into the forest in search of food; Donna and Ellis try to talk Boyd out of a dangerous plan; Tabitha makes a mind-bending discovery; Fatima questions the welfare of her unborn baby.

Boyd is forced to make a tough decision when newcomers arrive in town at nightfall; Victor unearths memories from the past in the hopes of finding answers.

Tensions are at an all time high as the residents of town learn that one of their own has gone missing.

Boyd is pushed to his limit as time begins to run out for someone he loves; Randall is haunted by his trauma and Victor reveals a hard truth; Tabitha's unlikely journey takes a shocking turn.