On a sunny morning in June, Margaret Carpenter wakes up to find a new iPhone on her doorstep. She switches it on to find a text from her best friend, Charity Atwater. The problem is, Charity’s been missing for over a month. Most people in town—even the police—think she’s dead. Margaret and Charity have been lifelong friends. They share everything, know the most intimate details about one another…except for the destructive secret hidden from them both. A secret that will trigger a chain of events ending in tragedy, bloodshed, and death. And now Charity wants Margaret to know her story.

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.

Andrew Larimer has left his past behind. Rising up the ranks in a New York law firm, and with a heavily pregnant wife, he is settling into a new life far from Kingsport, the town in which he grew up. But when he receives a late-night phone call from an old friend, he has no choice but to return home.

Everyone knows about Ashburn House. They whisper its old owner went mad, and restless ghosts still walk the halls. They say it's the dwelling place of something cruel and sinister. But when Adrienne, desperate and in need of a place to stay, inherits the crumbling old mansion, she only sees it as a lifeline...until darkness falls.

Helen Vaughan doesn't know why she and her mother left their ancestral home at Harrowstone Hall, called Harrow, or why they haven't spoken to their extended family since. So when her grandfather dies, she's shocked to learn that he has left everything—the house, the grounds, and the money—to her. The inheritance comes with one condition: She must stay on the grounds of Harrow for one full year, or she'll be left with nothing. There is more at stake than money. For as long as she can remember, Harrow has haunted Helen's dreams.

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.

As a young, queer couple who flip houses, Charlie and Eve can’t believe the killer deal they’ve just gotten on an old house in a picturesque neighborhood. As they’re working in the house one day, there’s a knock on the door. A man stands there with his family, claiming to have lived there years before and asking if it would be alright if he showed his kids around. People pleaser to a fault, Eve lets them in. As soon as the strangers enter their home, uncanny and inexplicable things start happening.

This forest isn't charted on any map. Every car breaks down at its treeline. Mina's is no different. Left stranded, she is forced into the dark woodland only to find a woman shouting, urging Mina to run to a concrete bunker. As the door slams behind her, the building is besieged by screams. Mina finds herself in a room with a wall of glass, and an electric light that activates at nightfall, when the watchers come above ground. These creatures emerge to observe their captive humans and terrible things happen to anyone who doesn't reach the bunker in time.

To eight-year-old Bela, her family is her world. There’s Mommy, Daddo, and Grandma Ruth. But there is also Other Mommy, a malevolent entity who asks her every day: “Can I go inside your heart?” When horrifying incidents around the house signal that Other Mommy is growing tired of asking Bela the question over and over, Bela understands that unless she says yes, her family will soon pay. Other Mommy is getting restless, stronger, bolder. Only the bonds of family can keep Bela safe, but other incidents show cracks in her parents’ marriage. The safety Bela relies on is about to unravel.

Felicia, a single mother and lawyer by day, volunteers at a local crisis center to give back to her tightknit community in a small Wisconsin town. One night, she answers a horrifying call: through tears, a frantic teenage girl tells her that she was a victim of sexual assault at a local house party. Felicia is shocked, and breaking protocol, she begins communicating with the girl on her own, determined to keep her safe and hold her assailants accountable. But as she gets closer and closer to the truth, she can’t shake the feeling that she and the girl are connected by more than the phone call.