When Caz steps onboard the exclusive cruise liner RMS Atlantica, it’s the start of a vacation of a lifetime with her new love, Pete. On their first night they explore the ship, eat, dance, make friends, but when Caz wakes the next morning, Pete is missing. And when she walks out into the corridor, all the cabin doors are open. To her horror, she soon realizes that the ship is completely empty. No passengers, no crew, nobody but her. The Atlantica is steaming into the mid-Atlantic and Caz is the only person on board. But that’s just the beginning.

Sydney Shaw, like every single woman in New York, has terrible luck with dating. She’s seen it all: men who lie in their dating profile, men who stick her with the dinner bill, and worst of all, men who can't shut up about their mothers. But finally, she hits the jackpot. Her new boyfriend is utterly perfect. He's charming, handsome, and works as a doctor at a local hospital. Sydney is swept off her feet. Then the brutal murder of a young woman—the latest in a string of deaths across the coast—confounds police. The primary suspect? A mystery man who dates his victims before he kills them.

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.

Perla Wultz lives with her husband, Grant, and their precious daughter, Sophie, in a gated Pasadena community. Affluent, sociable, and accomplished, Perla plays the part of loving wife and mother to perfection. It seems an ideal life, if not for a decades-old crime that has become Perla’s dark and consuming secret obsession. Twenty-three years ago, Leewood Folcrum confessed to murdering two young girls during a birthday party. Though he’s been condemned to a life sentence, his crime is not forgotten.

Naomi Shaw used to believe in magic. Twenty-two years ago, she and her two best friends, Cassidy and Olivia, spent the summer roaming the woods, imagining a world of ceremony and wonder. They called it the Goddess Game. The summer ended suddenly when Naomi was attacked. Miraculously, she survived her seventeen stab wounds and lived to identify the man who had hurt her. The girls’ testimony put away a serial killer, wanted for murdering six women. They were heroes.

Now reduced to a schoolyard chant, the Hope family murders shocked the Maine coast one bloody night in 1929. While most people assume seventeen-year-old Lenora was responsible, the police were never able to prove it. Other than her denial after the killings, she has never spoken publicly about that night, nor has she set foot outside Hope’s End, the cliffside mansion where the massacre occurred. It’s now 1983, and home-health aide Kit McDeere arrives at a decaying Hope’s End to care for Lenora after her previous nurse fled in the middle of the night.

Simon and Vicky couldn’t seem more normal: a wealthy Chicago couple, he a respected law professor, she an advocate for domestic violence victims. A stable, if unexciting marriage. But one thing’s for sure: absolutely nothing is what it seems. The pair are far from normal, and one of them just may be a killer. When the body of a beautiful socialite is found hanging in a mansion in a nearby suburb, Simon and Vicky’s secrets begin to unravel. A secret whirlwind affair. A twenty-million-dollar trust fund about to come due.

One dark evening on New York City’s Upper West Side, two strangers meet by chance. Over drinks, Amanda and Wendy realize they have much in common, including an intense desire for revenge against the men who destroyed their families. As they talk into the night, they come up with the perfect plan: if you kill for me, I’ll kill for you.

When Adam and Amelia Wright win a weekend away to Scotland, it might be just what their marriage needs. Self-confessed workaholic and screenwriter Adam Wright has lived with face blindness his whole life. He can’t recognize friends or family, or even his own wife. Each year Adam’s wife writes him a letter that she never lets him read. Until now. They both know this weekend will make or break their marriage, but they didn’t randomly win this trip. One of them is lying, and someone doesn’t want them to live happily ever after.

Frank Szatowski is shocked when his daughter, Maggie, calls him for the first time in three years. He was convinced that their estrangement would become permanent. He’s even more surprised when she invites him to her upcoming wedding in New Hampshire. Frank is ecstatic, and determined to finally make things right. He arrives to find that the wedding is at a private estate—very secluded, very luxurious, very much out of his league. It seems that Maggie failed to mention that she’s marrying Aidan Gardner, the son of a famous tech billionaire.

Fresh out of rehab, Mallory Quinn takes a job as a babysitter for Ted and Caroline Maxwell. She is to look after their five-year-old son, Teddy. Mallory immediately loves it. She has her own living space, goes out for nightly runs, and has the stability she craves. And she sincerely bonds with Teddy, a sweet, shy boy who is never without his sketchbook and pencil. His drawings are the usual fare: trees, rabbits, balloons. But one day, he draws something different: a man in a forest, dragging a woman’s lifeless body.

The deeper the secret, the darker the shadow. Ten years ago, Jolene nearly killed her friend Elizabeth in a gruesome accident. And no one has any idea. Not even Elizabeth. Jolene has been trying to outrun the guilt ever since, wandering from place to place and career to career. So she’s shocked when, after her latest move, she runs into the very person she’s been trying to avoid for ten years. Elizabeth still lives with scars from the accident. And she’s still clueless about what happened that fateful night.

Aidan Thomas is a hard-working family man and a somewhat beloved figure in the small upstate New York town where he lives. He’s the kind of man who always lends a hand and has a good word for everyone. But Aidan has a dark secret he’s been keeping from everyone in town and those closest to him. He’s a kidnapper and serial killer. Aidan has murdered eight women and there’s a ninth he has earmarked for death: Rachel, imprisoned in a backyard shed, fearing for her life.

Lee Gulliver never thought she’d find herself living on the streets—no one ever does—but when her restaurant fails, and she falls deeper into debt, she leaves her old life behind with nothing but her clothes and her Toyota Corolla. In Seattle, she parks in a secluded spot by the beach to lay low and plan her next move—until early one morning, she sees a sobbing woman throw herself into the ocean. Lee hauls the woman back to the surface, but instead of appreciation, she is met with fury.

Miley's plans take a terrifying detour when she's abducted during a morning run. Held captive in a desolate off-grid cabin, she'll have to use her athletic prowess, cunning mind, and courage to survive. As the nightmare at the cabin escalates, Miley is forced to form an unlikely alliance and attempt a risky escape.

When Caz steps onboard the exclusive cruise liner RMS Atlantica, it’s the start of a vacation of a lifetime with her new love, Pete. On their first night they explore the ship, eat, dance, make friends, but when Caz wakes the next morning, Pete is missing. And when she walks out into the corridor, all the cabin doors are open. To her horror, she soon realizes that the ship is completely empty. No passengers, no crew, nobody but her. The Atlantica is steaming into the mid-Atlantic and Caz is the only person on board. But that’s just the beginning.

To Brooke, image is everything. She works hard to maintain perfect grades, perfect looks, a perfect life, especially after "the incident" that threatened it all. Getting into her dream university puts her that much closer to a fresh start. How can she say no to celebrating with all her classmates? Hanging out with her crush by the bonfire is the perfect end to the night. Except it isn't the end. An old truck starts aggressively tailing Brooke and her best friend on the isolated road toward home.

Casey Fletcher, a recently widowed actress trying to escape a streak of bad press, has retreated to the peace and quiet of her family’s lake house in Vermont. Armed with a pair of binoculars and several bottles of bourbon, she passes the time watching Tom and Katherine Royce, the glamorous couple living in the house across the lake. They make for good viewing—a tech innovator, Tom is powerful; and a former model, Katherine is gorgeous.

Lee Gulliver never thought she’d find herself living on the streets—no one ever does—but when her restaurant fails, and she falls deeper into debt, she leaves her old life behind with nothing but her clothes and her Toyota Corolla. In Seattle, she parks in a secluded spot by the beach to lay low and plan her next move—until early one morning, she sees a sobbing woman throw herself into the ocean. Lee hauls the woman back to the surface, but instead of appreciation, she is met with fury.

Miley's plans take a terrifying detour when she's abducted during a morning run. Held captive in a desolate off-grid cabin, she'll have to use her athletic prowess, cunning mind, and courage to survive. As the nightmare at the cabin escalates, Miley is forced to form an unlikely alliance and attempt a risky escape.

Mira needs to get home for the holidays - badly. But when an incoming blizzard results in a canceled layover, it looks like she might get stuck at the Philadelphia airport indefinitely. And then Harper, Mira's glamorous seatmate from her initial flight, comes to the rescue. Harper and her three friends are renting a car, and they can drop Mira off on the way home. But as their trip begins, Mira discovers her fellow travelers aren't friends like she thought - they're total strangers. And every one of them seems to be hiding something dangerous.

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.

Simon and Vicky couldn’t seem more normal: a wealthy Chicago couple, he a respected law professor, she an advocate for domestic violence victims. A stable, if unexciting marriage. But one thing’s for sure: absolutely nothing is what it seems. The pair are far from normal, and one of them just may be a killer. When the body of a beautiful socialite is found hanging in a mansion in a nearby suburb, Simon and Vicky’s secrets begin to unravel. A secret whirlwind affair. A twenty-million-dollar trust fund about to come due.

Frank Szatowski is shocked when his daughter, Maggie, calls him for the first time in three years. He was convinced that their estrangement would become permanent. He’s even more surprised when she invites him to her upcoming wedding in New Hampshire. Frank is ecstatic, and determined to finally make things right. He arrives to find that the wedding is at a private estate—very secluded, very luxurious, very much out of his league. It seems that Maggie failed to mention that she’s marrying Aidan Gardner, the son of a famous tech billionaire.

Now reduced to a schoolyard chant, the Hope family murders shocked the Maine coast one bloody night in 1929. While most people assume seventeen-year-old Lenora was responsible, the police were never able to prove it. Other than her denial after the killings, she has never spoken publicly about that night, nor has she set foot outside Hope’s End, the cliffside mansion where the massacre occurred. It’s now 1983, and home-health aide Kit McDeere arrives at a decaying Hope’s End to care for Lenora after her previous nurse fled in the middle of the night.

Anne and Marco Conti seem to have it all—a loving relationship, a wonderful home, and their beautiful baby, Cora. But one night, when they are at a dinner party next door, a terrible crime is committed. Suspicion immediately lands on the parents. But the truth is a much more complicated story.

Piper Sullivan was in a strange hiking accident last month and has been in a coma ever since. Her older sister, Savannah, can’t pretend to be optimistic about it; things look bad. Piper will likely never wake up, and Savannah will never get any answers about what exactly happened. But then Savannah finds a note in Piper’s locker, inviting Piper to a meeting of their school’s wilderness club—at the very place and on the very day that she fell. Which means there was a chance that Piper wasn’t alone.

One dark evening on New York City’s Upper West Side, two strangers meet by chance. Over drinks, Amanda and Wendy realize they have much in common, including an intense desire for revenge against the men who destroyed their families. As they talk into the night, they come up with the perfect plan: if you kill for me, I’ll kill for you.

Logan thinks he and Delilah are meant to be. Delilah doesn't know who Logan is. Logan believes no one knows Delilah like him. He makes sure of it by learning everything he can by watching her through a hidden camera. Some might call him a stalker. Logan prefers to be called "romantic". Delilah is keeping secrets though, deadly ones. There's so much more to her than meets the eye.

Your phone rings. A stranger has kidnapped your child. To free them you must abduct someone else's child. Your child will be released when your victim's parents kidnap another child. If any of these things don't happen: Your child will be killed. You are now part of the chain.