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.

Joe never wanted to come back to Arnhill. After the way things ended with his old gang - the betrayal, the suicide - and what happened when his sister went missing, the last thing he wanted to do was return to his hometown. But Joe doesn’t have a choice, not after a chilling email surfaces in his inbox: I know what happened to your sister. It’s happening again.... 

Driving home one night, stuck behind a rusty old car, Gabe sees a little girl’s face appear in its rear window. She mouths one word: Daddy. It’s his five-year-old daughter, Izzy. He never sees her again. Three years later, Gabe spends his days and nights traveling up and down the highway, searching for the car that took his daughter, refusing to give up hope, even though most people believe she’s dead. When the car that he saw escape with his little girl is found abandoned with a body inside, Gabe must confront not just the day Izzy disappeared but painful events from his past.

In a boarded-up house on a dead-end street at the edge of the wild Washington woods lives a family of three. A teenage girl who isn’t allowed outside, not after last time. A man who drinks alone in front of his TV, trying to ignore the gaps in his memory. And a house cat who loves napping and reading the Bible. An unspeakable secret binds them together, but when a new neighbor moves in next door, what is buried out among the birch trees may come back to haunt them all.

Documentary filmmaker Alice Lindstedt has been obsessed with the vanishing residents of the old mining town, dubbed “The Lost Village”, since she was a little girl. In 1959, her grandmother’s entire family disappeared in this mysterious tragedy, and ever since, the unanswered questions surrounding the only two people who were left - a woman stoned to death in the town center and an abandoned newborn - have plagued her. She’s gathered a small crew of friends in the remote village to make a film about what really happened. 

Aaron Decker's life changes one December morning when his wife, Allison, is killed. Haunted by her absence - and her ghost - Aaron goes through her belongings, where he finds a receipt for a motel room in another part of the country. Piloted by grief and an increasing sense of curiosity, Aaron embarks on a journey to discover what Allison had been doing in the weeks prior to her death.

In 1977, Claire Lake, Oregon, was shaken by the Lady Killer Murders: Two men, seemingly randomly, were murdered with the same gun, with strange notes left behind. Beth Greer was the perfect suspect - a rich, eccentric 23-year-old woman, seen fleeing one of the crimes. But she was acquitted, and she retreated to the isolation of her mansion.

It’s been a decade since Trumanell Branson disappeared, leaving only a bloody handprint behind. Her pretty face still hangs like a watchful queen on the posters on the walls of the town’s Baptist church, the police station, and in the high school. They all promise the same thing: We will find you. Meanwhile, Tru's brother, Wyatt, lives as a pariah in the desolation of the old family house, cleared of wrongdoing by the police but tried and sentenced in the court of public opinion and in a new documentary about the crime.

After the sudden death of his wife, Tom Kennedy believes a fresh start will help him and his young son, Jake, heal. A new beginning, a new house, a new town. Featherbank. But the town has a dark past. Twenty years ago, a serial killer abducted and murdered five residents. Until Frank Carter was finally caught, he was nicknamed "The Whisper Man", for he would lure his victims out by whispering at their windows at night. Just as Tom and Jake settle into their new home, a young boy vanishes, and his disappearance bears an unnerving resemblance to Frank Carter's crimes.

Julie is missing, and no one believes she will ever return - except Elise. Elise knows Julie better than anyone, and feels it in her bones that her best friend is out there and that one day Julie will come back. She’s right. Two years to the day that Julie went missing, she reappears with no memory of where she’s been or what happened to her.  Along with Molly and Mae, their two close friends from college, the women decide to reunite at a remote inn. But the second Elise sees Julie, she knows something is wrong - she’s emaciated, with sallow skin and odd appetites.

You knew a teenager like Charlie Crabtree. A dark imagination, a sinister smile - always on the outside of the group. Some part of you suspected he might be capable of doing something awful. Twenty-five years ago, Crabtree did just that, committing a murder so shocking that it's attracted that strange kind of infamy that only exists on the darkest corners of the internet - and inspired more than one copycat.

Hector was the best of the best. A government operative who could bring armies to a halt and nations to their knees. But when his own country betrayed him, he dropped off the grid and picked up the first of many bottles. Natalie can’t remember much of her life before her family brought her to the US, but she remembers the cages. And getting taken away to the Project with dozens of other young children to become part of their nightmarish experiments. That’s how she ended up with the ghost of a dead secret agent stuck in her head.

Long ago, Nathan lived in a house in the country with his abusive father—and has never told his family what happened there. Long ago, Maddie was a little girl making dolls in her bedroom when she saw something she shouldn’t have—and is trying to remember that lost trauma by making haunting sculptures. Long ago, something sinister walked in the mountains and the coal mines of their hometown in rural Pennsylvania. Now, Nate and Maddie Graves are married, and they have moved back to their hometown with their son, Oliver. And now what happened long ago is happening again...to Oliver.

Twenty-five years ago, Maggie Holt and her parents, Ewan and Jess, moved into Baneberry Hall, a rambling Victorian estate in the Vermont woods. Three weeks later they fled in the dead of night, an ordeal Ewan later recounted in a nonfiction book called House of Horrors. His horror memoir of ghostly happenings and encounters with malevolent spirits became a worldwide phenomenon, rivaling The Amityville Horror in popularity — and skepticism.

A psychopath is terrorizing Copenhagen. His calling card is a “chestnut man” - a handmade doll made of matchsticks and two chestnuts - which he leaves at each bloody crime scene. Examining the dolls, forensics makes a shocking discovery - a fingerprint belonging to a young girl, a government minister’s daughter who had been kidnapped and murdered a year ago. A tragic coincidence - or something more twisted? To save innocent lives, a pair of detectives must put aside their differences to piece together the Chestnut Man’s gruesome clues.