UrbanMyth: It was lauded as an alternative to the performative, show-your-best-self platforms—an anonymous discussion board grouped by zip code. The residents of Manhattan’s exclusive Upper East Side disclosed it all, things they would never share with their friends or their spouses: secret bank accounts, steamy affairs, tidbits of juicy gossip. So when a “hacktivist” group breaks into the forum and exposes the real identity of each poster, the repercussions echo down Park Avenue with a force that none could have anticipated.

Jen Weinstein and Lauren Parker rule the town of Salcombe, Fire Island every summer. They hold sway on the beach and the tennis court, and are adept at manipulating people to get what they want. Their husbands, Sam and Jason, have summered together on the island since childhood, despite lifelong grudges and numerous secrets. Their one single friend, Rachel Woolf, is looking to meet her match, whether he’s the tennis pro. But even with plenty to gossip about, this season starts out as quietly as any other. Until a body is discovered, face down, off the side of the boardwalk.

Lane McCord wakes up in a hospital having survived a near-fatal fall at a North Carolina beach cottage. Her boyfriend, Kyle, wasn’t so lucky. A senseless tragedy on their first romantic getaway. All Lane remembers is lying at the bottom of the stairs in Kyle’s pooling blood. Confused and grieving, Lane plans to return to the cottage, collect her personal belongings, and get out. Until a winter rainstorm leaves her stranded and vulnerable, but not alone. A concerned neighbor, who claims he heard a violent argument before the accident, has come out of the storm.

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.

Twenty-two-year-old Olivia has been missing for one day…and counting. She was last seen on CCTV, entering a dead-end alley. And not coming back out again. Julia, the detective heading up the search for Olivia, thinks she knows what to expect. A desperate family, a ticking clock, and long hours away from her husband and daughter. But she has no idea just how close to home this case is going to get.

After a tragic chain of events led to the deaths of their spouses two years ago, D.C. philanthropist Sloane Chase and Senator Whit Montgomery are finally starting to move on. The horrifying ordeal drew them together, and now they're ready to settle down again—with each other. As Sloane returns to the world of White House dinners and political small talk, this time with her new husband, she's also preparing for an upcoming hip replacement—the latest reminder of the lupus diagnosis she's managed since her twenties.

Mia, the irreverent, hyperanalytical twenty-year-old daughter, has an explanation for everything—which is why she isn’t initially concerned when her father and younger brother Eugene don’t return from a walk in a nearby park. They must have lost their phone. Or stopped for an errand somewhere. But by the time Mia’s brother runs through the front door bloody and alone, it becomes clear that the father in this tight-knit family is missing and the only witness is Eugene, who has the rare genetic condition Angelman syndrome and cannot speak.

After the sudden death of her husband, Kate Turner is looking for a fresh start for herself and her teenage daughter, Alex. They relocate to the beachside town of Shoreham, Florida, where all is not as sunny as it seems. Although Kate makes fast friends with a trio of fellow moms, their daughters take an instant dislike to Alex, who attempts to document their bullying in her video diary. Kate brushes off Alex’s concerns—until she receives a series of chilling warnings about the clique of moms from other parents and neighbors.

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.

Grace Holloway keeps to herself. Since narrowly escaping death at the hands of the man who kidnapped her, she’s thrown herself into the small inn she runs in Rock Harbor, Maine. It’s quiet, quaint and, in the off-season, completely isolated—the perfect place for Grace to keep her own secrets. But Grace isn’t the only one with something to hide, and Rock Harbor isn’t just a sleepy vacation town. Someone is taking young women—girls who look an awful lot like Grace did when she was kidnapped so many years ago.

When Chloe Davis was twelve, six teenage girls went missing in her small Louisiana town. By the end of the summer, her own father had confessed to the crimes and was put away for life, leaving Chloe and the rest of her family to grapple with the truth and try to move forward while dealing with the aftermath.

Cape Morgan, Maine, is the utopian ideal for a charmed life, and Beatrice Wicker knows it. The multi-million-dollar house on the sea coast. The joint bank accounts. The safety and security that go along with being married to an esteemed architect and community leader. So what if her husband sneaks off to see his second family now and again? Beatrice is willing to look the other way. It’s simply the price she must pay to keep their life together. Josh doesn’t realize that Beatrice knows about his other life. That’s just one of Beatrice’s secrets.

Vivvy Bouchet, daughter of a known psychic, was ten when she saved a boy’s life by making an impossible prediction. Now she’s an astrophysicist in Texas, devoted to science, but the boy she saved has become a cop who continues to believe she can see things no one else can. When he begs for help on the high-profile cold case of a kidnapped girl, Vivvy steps back into the ocean of voices that once nearly drowned her.

Twelve years ago, 18-year-old University of Iowa freshman Abby Hartmann disappeared. Now, Jon Allan Blue, the serial killer suspected of her murder, is about to be executed. Abby’s best friends, Bree and Chelsea, watch as Abby’s memory is unearthed and overshadowed by Blue and his flashier crimes. The friends, estranged in the wake of Abby’s disappearance, and suffering from years of unvoiced resentments, must reunite when a high-profile podcast dedicates its next season to Blue’s murders.

Jane is unhappy. A struggling midlist writer whose novels barely command four figures, she feels trapped in an underwhelming marriage, just scraping by to pay a crippling Bay Area mortgage for a house—a life—she's never really wanted. There's only ever been one person she cared about, one person who truly understood her: Thalia. Jane's best and only friend nearly a decade ago during their Creative Writing days at Oxford.