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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.

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.

In their pursuit of the truth about the town, Jim and Randall hatch a dangerous plan; meanwhile, a new form of terror is brewing.

Boyd and Kristi seek to capitalize on the apparent death of the Nightmare Creature; Jim finds an unlikely ally in the volatile Randall.

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

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

As Boyd's condition grows more alarming, Sara's return to town puts him in a difficult position; Jim shares a troubling new theory about the town.

Kenny and Ellis make a grisly discovery out in the forest; Boyd struggles with the reality of what's happening to him.

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.

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.

Boyd draws strength from an unlikely source. Jim�s radio tower yields consequences which rock him to his very core. The hole that Tabitha has been digging leads her somewhere � and to someone - she could never have expected. Everything is about to change.

Boyd and Sara journey deeper into the forest than Boyd has ever gone, encountering new and terrifying mysteries. Jim�s confidence in the radio tower begins to wane. An unexpected tragedy causes Donna to unravel. Kenny and Kristi share a moment.

In the wake of another death, Boyd questions his decision to leave. Kenny steps up and embraces his new role. Jim rallies the town around his idea to build a radio tower. Fatima urges Ellis to make amends with his father before it�s too late.

Father Khatri tells Boyd why he believes Sara may be useful; Jim and Tabitha find comfort in each other; Colony House celebrates the one-year anniversary of Fatima's arrival with a party that goes terribly wrong.

Boyd's plan to head off into the forest provokes an unexpected response from Kenny; Jade enlists Jim's help with an experiment; Tabitha makes a chilling discovery that sends her down a unique path searching for answers.

Jim, Tabitha, and Ethan begin asking questions about where they are in the hopes it may lead them home. Ellis and Fatima show Julie the lighter side of life in town. Jade struggles to make sense of their situation as Boyd seeks guidance.

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

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.

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 in 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.