Confronted by a restraining order and the threat of a lawsuit, failed journalist Leah Stevens needs to get out of Boston when she runs into an old friend, Emmy Grey, who has just left a troubled relationship. Emmy proposes they move to rural Pennsylvania, where Leah can get a teaching position and both women can start again. But their new start is threatened when a woman with an eerie resemblance to Leah is assaulted by the lake, and Emmy disappears days later.

Littleport, Maine, has always felt like two separate towns: an ideal vacation enclave for the wealthy, whose summer homes line the coastline, and a simple harbor community for the year-round residents whose livelihoods rely on service to the visitors. Typically, fierce friendships never develop between a local and a summer girl - but that’s just what happens with visitor Avery Greer and Littleport resident Sadie Loman. Each summer for almost a decade, the girls are inseparable - until Sadie is found dead.

Arden Maynor was just a child when she was swept away while sleepwalking during a terrifying rainstorm and went missing for days. Strangers and friends, neighbors and rescue workers, set up search parties and help vigils, praying for her safe return. Against all odds, she was found, alive, clinging to a storm drain. The girl from Widow Hills was a living miracle. Arden’s mother wrote a book. Fame followed.

Hollow’s Edge use to be a quiet place. A private and idyllic neighborhood where neighbors dropped in on neighbors, celebrated graduation and holiday parties together, and looked out for one another. But then came the murder of Brandon and Fiona Truett. A year and a half later, Hollow’s Edge is simmering. The residents are trapped, unable to sell their homes, confronted daily by the empty Truett house, and suffocated by their trial testimonies that implicated one of their own. Ruby Fletcher. And now, Ruby’s back.

Ten years ago, Abigail Lovett fell into a job she loves, managing The Passage Inn, a cozy, upscale resort nestled in the North Carolina mountain town of Cutter’s Pass. Cutter’s Pass is best known for its outdoor offerings—rafting and hiking, with access to the Appalachian trail by way of a gorgeous waterfall—and its mysterious history. As the book begins, the string of unsolved disappearances that has haunted the town is once again thrust into the spotlight when journalist Landon West, who was staying at the inn to investigate the story, then disappears himself.

A decade ago, two vans filled with high school seniors on a school service trip crashed into a Tennessee ravine—a tragedy that claimed the lives of multiple classmates and teachers. The nine students who managed to escape the river that night were irrevocably changed. A year later, after one of the survivors dies by suicide on the anniversary of the crash, the rest of them make a pact: to come together each year to commemorate that terrible night.

One year ago, Isabelle Drake's life changed forever: her toddler son, Mason, was taken out of his crib in the middle of the night while she and her husband were asleep in the next room. With little evidence and few leads for the police to chase, the case quickly went cold. However, Isabelle cannot rest until Mason is returned to her—literally. Except for the occasional catnap or small blackout where she loses track of time, she hasn’t slept in a year. Isabelle's entire existence now revolves around finding him, but she knows she can’t go on this way forever.

Stephanie and Patrick are adjusting to life with their colicky twin girls. The babies are a handful, but even as Stephanie struggles with the disorientation of sleep deprivation, there's one thing she's sure of: She has all she ever wanted. Then Erica, a woman from Patrick's past, appears and makes a disturbing accusation. Patrick had always said his first wife's death was an accident, but now Erica claims it was murder. Patrick insists he's innocent, that this is nothing but a blackmail attempt. Still, Erica knows things about Patrick.

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.

When Wren realizes her fiancé is in love with someone else, she thinks her heart will never recover. On the other side of the world, Anders lost his wife four years ago and is still struggling to move on. Wren hopes that spending the summer with her dad and step-family on their farm in Indiana will help her to heal. There, amid the cornfields and fireflies, she and Anders cross paths and their worlds are turned upside-down again.

Owen Pick’s life is falling apart. In his 30s and living in his aunt’s spare bedroom, he has just been suspended from his job as a teacher after accusations of sexual misconduct - accusations he strongly denies. Searching for professional advice online, he is inadvertently sucked into the dark world of incel forums, where he meets a charismatic and mysterious figure. Across the street from Owen lives the Fours family, headed by mom Cate, a physiotherapist, and dad Roan, a child psychologist. But the Fours family have a bad feeling about their neighbor Owen.

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.

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.

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.

Victoria Barnett has it all: a great career as a nurse practitioner, a handsome and loving husband, a beautiful home in the suburbs, and a plan to fill it with children. Life is perfect—or so it seems. Then she’s in a terrible accident...and everything falls apart. Now Victoria is unable to walk. She can’t feed or dress herself. She can’t even speak. She is confined to the top floor of her house with 24-hour care.