Renowned academic Dr Sparling seeks help with his project on a remote Irish village. Historical researchers Ben and Chloe are thrilled to be chosen—until they arrive. The village is isolated and forgotten. There is no record of its history, its stories. There is no friendliness from the locals, only wary looks and whispers. The villagers lock down their homes at sundown. A nameless fear stalks the streets. Nobody will talk—nobody except one little girl. Her story strikes dread into the hearts of the newcomers. Three times you see him. Each night he comes closer.

Joe works at a facility that performs human experimentation. His work just followed him home. The government wanted to unlock hidden abilities in the human mind. They put subjects in extreme sensory deprivation. All the test subjects went violently insane. But the research continued. Today it has been perfected. Almost perfected.

Mattie can't remember a time before she and William lived alone on a mountain together. She must never make him upset. But when Mattie discovers the mutilated body of a fox in the woods, she realizes that they’re not alone after all. There’s something in the woods that wasn’t there before, something that makes strange cries in the night, something with sharp teeth and claws. When three strangers appear on the mountaintop looking for the creature in the woods, Mattie knows their presence will anger William. Terrible things happen when William is angry.

Deep in the heart of Appalachia stands a crooked farmhouse miles from any road. The Morrows keep to themselves, and it's served them well so far. When girls go missing off the side of the highway, the cops don't knock on their door. Which is a good thing, seeing what's buried in the Morrows' backyard. But 19-year-old Michael Morrow isn't like the rest of his family. He doesn't take pleasure in the screams that echo through the trees.

Rory Morris isn’t thrilled to be moving back to her hometown, even if it is temporary. There are bad memories there. But her twin sister, Scarlett, is pregnant, estranged from the baby’s father, and needs support, so Rory returns to the place she thought she’d put in her rearview. After a night out at a bar where she runs into Ian, an old almost-flame, she hits a large animal with her car. And when she gets out to investigate, she’s attacked.