Ana and Reid needed a lucky break. The horrifically complicated birth of their first child has left Ana paralyzed, bitter, and struggling: with mobility, with her relationship with Reid, with resentment for her baby. That's about to change with the words any New Yorker would love to hear—affordable housing lottery. They've won an apartment in the Deptford, one of Manhattan's most revered buildings. Reid dismisses disturbing events and Ana’s deep unease and paranoia as the price of living in New York—people are odd—but he can't explain the needle-like bite marks on the baby.

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 the house of their dreams. Former marine Harry and his wife, Sasha, have packed up their life and their golden retriever, Dash, and fled the corporate rat race to live off the land in rural Idaho. Their breathtaking new home sits on more than forty acres of meadow, aspen trees, and pine forest in the Teton Valley. Even if their friends and family think it’s a strange choice for an up-and-coming pair of urban professionals, Harry and Sasha couldn’t be happier about the future they’re building, all by their lonesome.

In the fall of 1993, the quiet suburb of Harting Farms is shocked when children begin to vanish, and one is found dead near December Park - a great, sweeping expanse that is sunken below the streets and surrounded on three sides by vast woodlands, a place children believe is haunted. Newspapers call the abductor the Piper because he has come to lead children away, while kids whisper darker names for him in the school halls. Angelo Mazzone and his friends discover a link to the dead girl and take up the search for the killer.

Episode Thirteen takes them to every ghost hunter's holy grail: the Paranormal Research Foundation. This brooding, derelict mansion holds secrets and clues about bizarre experiments that took place there in the 1970s. It's also famously haunted, and the team hopes their scientific techniques and high tech gear will prove it. But as the house begins to reveal itself to them, proof of an afterlife might not be everything Matt dreamed of.

All Rob wanted was a normal life. She almost got it, too: a husband, two kids, a nice house in the suburbs. But Rob fears for her oldest daughter, Callie, who collects tiny bones and whispers to imaginary friends. Rob sees a darkness in Callie, one that reminds her too much of the family she left behind. She decides to take Callie back to her childhood home, to Sundial, deep in the Mojave Desert. And there she will have to make a terrible choice.

Caught behind the lines of Hitler's Final Solution, Saul Laski is one of the multitudes destined to die in the notorious Chelmno extermination camp. Until he rises to meet his fate and finds himself face to face with an evil far older, and far greater, than the Nazis themselves. Compelled by the encounter to survive at all costs, so begins a journey that for Saul will span decades and cross continents, plunging into the darkest corners of 20th century history to reveal a secret society of beings who may often exist behind the world's most horrible and violent events.

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.

The town of Stillwater has been dying - the long and painful death of a town ravaged by floods and haunted by the ghosts of all who had lived there. Yet this most recent flood has brought something with it - a creature that nests among the good folks of Stillwater...and feeds off them. The children who haven't disappeared whisper the same word - "vampire". But they're wrong. What has come to Stillwater is something much more horrific.

Travis Wren has an unusual talent for locating missing people. Often hired by families as a last resort, he takes on the case of Maggie St. James—a well-known author of dark, macabre children’s books—and is soon led to a place many believed to be only a legend. Called Pastoral, this reclusive community was founded in the 1970s by like-minded people searching for a simpler way of life. By all accounts, the commune shouldn’t exist anymore and soon after Travis stumbles upon it…he disappears. Just like Maggie St. James.

It’s the summer of 1960 and in the small town of Elm Haven, Illinois, five twelve-year-old boys are forging the powerful bonds that a lifetime of change will not break. From sunset bike rides to shaded hiding places in the woods, the boys’ days are marked by all of the secrets and silences of an idyllic childhood. But amid the sun-drenched cornfields, their loyalty will be pitilessly tested.

A group of boyhood friends in the summer of 1977. An annual rite of passage in a dark and alluring Pennsylvania wood. The channeling of a malevolent Presence. And a childhood game about to go terribly wrong.... Two brothers in the summer of 1995, reunited by the unspeakable nightmare of their past. A bewitching tavern proprietress and psychic intuitive from New Orleans. The revelation of an apocryphal prophesy.

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.

In 1986, Eddie and his friends are on the verge of adolescence, spending their days biking in search of adventure. The chalk men are their secret code, stick figures they draw for one another as hidden messages. But one morning, the friends find a chalk man leading them to the woods. They follow the message, only to find the dead body of a teenage girl. In 2016, Eddie is nursing a drinking problem and trying to forget his past, until one day he gets a letter containing a chalk man — the same one he and his friends saw when they found the body.

These people will give anything for the idols they worship, be they rock stars, actors or authors. Or even serial killers. Lori is just such a fanatic. Her obsession is with Edmund Cox, a man of sadistic cruelty who butchered more than 20 women. She’s gone so far as to forge a relationship with him, visiting him in prison and sending him letters on a regular basis. She will do anything to get close to him, so when he gives her a task, she eagerly accepts it. She has no idea of the horror that awaits her.