John’s life is a living nightmare. Any chance of digging himself out of the abyss disintegrated long ago. Fired, discredited, buried under crippling debt, and isolated in a west-Texas ghost-town, he’s both a pariah and a wanted man. Under an investigation for a crime he didn’t commit, he’s quickly running out of allies, and even more rapidly, losing his grip on reality. Late at night, long after the lights have gone out, it’s there. He doesn’t know where it is and what it wants with him. It lurks in the shadows, biding its time before it strikes. It beckons him.

After nearly dying in the line of duty, the FBI's top criminal profiler, Genevieve Callow, contemplates a quieter life while struggling with survivor's guilt. She's reminded every day that while she was fighting for her life, another predator was stalking the night in her hometown—the Icebox Killer. She knows now that home isn't safe. But she's haunted, tired, and barely recovered. There are other agents on the killer's tail. They should be able to catch him. Or can it only be her? Now, in one brazen act, the killer has called out to her by name, taunting her―a game of cat and mouse.

Something lurks in the darkness of the trees. A group of friends goes on a hike in search of an ancient spring deep inside the forest. Mythical stories come from the woods—tales of gnomes, fairies, and other not so benevolent creatures. Everything changes for the group when they run into a hiker that mysteriously vanished in the area weeks ago. She is malnourished, dehydrated, and hurt, but she keeps raving about the danger in the woods, repeating one incoherent word over and over in a foreign language.

In the summer of 1994, psychologist Daniel Hill buys a rustic farmhouse nestled in the rolling hills of West Virginia. Along with his wife and teenage daughter, the family uproots their lives in Ohio and moves south. They are initially seduced by the natural beauty of the country setting. That soon changes when they discover a hidden room in the basement with a well, boarded shut and adorned with crucifixes. Local legends about the previous owner being an exorcist come to light, but by then, all Hell has broken loose.

It’s an ordinary Monday. Until everything changes forever. At 2:44 PM, a mysterious crack appears in the sky. Anyone unfortunate enough to look up is immediately struck blind. What’s worse, their mind is wiped clean, replaced with a vicious urge to kill anyone within reach.