Nine strangers receive a list with their names on it in the mail. Nothing else, just a list of names on a single sheet of paper. None of the nine people know or have ever met the others on the list. They dismiss it as junk mail, a fluke—until very, very bad things begin happening to people on the list. First, a well-liked old man is drowned on a beach in the small town of Kennewick, Maine. Then, a father is shot in the back while running through his quiet neighborhood in suburban Massachusetts. A frightening pattern is emerging, but what do these nine people have in common?

Cat Winthorpe has worked hard to get what she has: a gorgeous home; social standing; and William, her successful, handsome husband. Then a friendly new couple moves into the estate next door. While cautious, a good neighbor like Cat greets them with open arms and warm hospitality. Neena Ryder isn’t a fellow lady of leisure. A life coach with off-the-rack dresses, personal issues, and a husband who hasn’t delivered, she’s anxious to move up in the world. This beautiful new town is a step in the right direction. It’s also making Neena aware of what she doesn’t have.

While in college in upstate New York, Shay Evans and her best friends met a captivating man who seduced them with a web of lies about the way the world works, bringing them under his thrall. By senior year, Shay and her friend Laurel were the only ones who managed to escape. Now, eight years later, Shay’s built a new life in a tony Texas suburb. But when she hears the horrifying news of Laurel’s death―delivered, of all ways, by her favorite true-crime podcast crusader―she begins to suspect that the past she thought she buried is still very much alive.

Nina can never forgive Maggie for what she did. And she can never let her leave. They say every house has its secrets, and the house that Maggie and Nina have shared for so long is no different. Except that these secrets are not buried in the past. Every other night, Maggie and Nina have dinner together. When they are finished, Nina helps Maggie back to her room in the attic, and into the heavy chain that keeps her there.

Hen and her husband, Lloyd, have settled into a quiet life in a new house outside of Boston, Massachusetts. Hen (short for Henrietta) is an illustrator and works out of a studio nearby and has found the right meds to control her bipolar disorder. Finally, she’s found some stability and peace. But when they meet the neighbors next door, that calm begins to erode as she spots a familiar object displayed on the husband’s office shelf. The sports trophy looks exactly like one that went missing from the home of a young man who was killed two years ago.

Dr. Kate English has it all. Not only is she the heiress to a large fortune; she has a gorgeous husband and daughter, a high-flying career, and a beautiful home anyone would envy. But all that changes the night Kate’s mother, Lily, is found dead, brutally murdered in her own home. Heartbroken and distraught, Kate reaches out to her estranged best friend, Blaire Barrington, who rushes to her side for the funeral, where the years of distance between them are forgotten in a moment. That evening, Kate’s grief turns to horror when she receives an anonymous text.

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.

Merritt Coletto and her husband, Luca, have the life they dreamed of: a coastal home, a promising future, and a growing family. That dream ends with a late-night knock on the door. Weak, broken, and emaciated, it’s Luca’s first wife, Lydia. Missing for ten years, presumed dead, and very much alive, she has quite a story. Racked with guilt over the beautiful life they’ve built, Merritt and Luca agree to help get Lydia back on her feet - it’s the least they can do. But the more enmeshed Lydia becomes in Merritt’s family, the more questions Merritt has.

Christopher and Hannah are a happily married surgeon and nurse with picture-perfect lives. All that’s missing is a child. When Janie, an abandoned six-year-old, turns up at their hospital, Christopher forms an instant connection with her, and he convinces Hannah they should take her home as their own.

Deep in the forgotten hills of Massachusetts stands Saint Perpetua’s College. Isolated and ancient, it is not a place for timid girls. Here, secrets are currency, ambition is lifeblood, and strange ceremonies welcome students into the fold. On her first day of class, Laura Sheridan is thrust into an intense academic rivalry with the beautiful and enigmatic Carmilla. Together, they are drawn into the confidence of their demanding poetry professor, De Lafontaine, who holds her own dark obsession with Carmilla.

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.

Gina Royal is the definition of average—a shy Midwestern housewife with a happy marriage and two adorable children. But when a car accident reveals her husband’s secret life as a serial killer, she must remake herself as Gwen Proctor—the ultimate warrior mom. With her ex now in prison, Gwen has finally found refuge in a new home on remote Stillhouse Lake.

It's winter in the Catskills and Mitchell's Inn, nestled deep in the woods, is the perfect setting for a relaxing—maybe even romantic—weekend away. So when the weather takes a turn for the worse, and a blizzard cuts off the electricity—and all contact with the outside world—the guests settle in and try to make the best of it. Soon, though, one of the guests turns up dead—it looks like an accident. But when a second guest dies, they start to panic. Within the snowed-in paradise, something—or someone—is picking off the guests one by one.

Years ago, bookseller and mystery aficionado Malcolm Kershaw compiled a list of the genre’s most unsolvable murders, those that are almost impossible to crack - which he titled "Eight Perfect Murders". But no one is more surprised than Mal, now the owner of the Old Devils Bookstore in Boston, when an FBI agent comes knocking on his door one snowy day in February. She’s looking for information about a series of unsolved murders that look eerily similar to the killings on Mal’s old list. And the FBI agent isn’t the only one interested in this bookseller.

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.