Everyone knows about the fight between Kathleen Walsh and her sister on the night she disappeared. For six months, no one has heard from Kathleen. Not her bullying husband, not her teenage son, and not her devastated sister Siobhan. But then Kathleen’s purse is found by a walker high up on the rocky Irish sea cliffs. The only thing inside is a torn scrap of paper with the words ‘HELP ME’. For Siobhan, it’s a chance to find her sister and fix the mistake she made six months ago. But not everyone in the tight-knit community welcomes Siobhan’s interest in the disappearance.

Three years after they narrowly escaped the IRA’s worst punishment for informing, Northern Irish sisters Tessa and Marian Daly have built a new life in Dublin with their young children. Though Tessa is haunted by the abrupt and violent end to her old life, she does her best to immerse herself in the joys of Finn’s childhood and the rhythms of her new job at The Irish Observer. It’s a small island, though, and just as quickly as they disappeared, figures from the sisters’ past surface to drag them back into the conflict.

When Mel receives an unexpected email from her oldest friend Abi, it brings back memories she thought she had buried forever. Their friendship belonged in the past. To those carefree days at university. But Abi is in trouble and needs Mel’s help, and she wants a place to stay. Just for a few days, while she sorts things out. It’s the least Mel can do. After all, friends look out for each other, don’t they?

It's a case that has gripped a nation: A woman with a shocking secret is missing, presumed dead. And her two husbands are suspects in her murder. DCI Clements knows the dark side of human nature and that love can make people do treacherous things. You can’t presume anything when it comes to crimes of the heart. Until a body is found, this scandalous and sad case remains wide open.

When Georgia rents her country home for the month of August, it’s off to the relaxing Connecticut shore for her; her husband, Tom; and their young daughter. It’s just what they need to ease family tensions and reconnect. All that’s left to do is leave behind their house keys—to a stranger. For Anna, Georgia and Tom’s house in the cool woodlands is a dream break from the oppressive heat of a New York City summer—and from an increasingly ill-fated relationship with her lover. A month apart and Anna can clear her head and reassess her future. She’s found the perfect place to do it.

Detective Clements knows that people disappear all the time—far too frequently. Most run away from things, some run toward and others are taken but find their way back. A sad few never return. These two women are from very different worlds. Their disappearances are unlikely to be connected. And yet, at a gut level, the detective believes they might be.

Nora Holliday is not that kind of woman. Not the kind who has an illicit affair with a married man. But Josh Landon is everything Nora’s alcoholic husband isn’t. And now she and Josh are so infatuated, they can’t stay away from one another. Abby Landon, Josh’s daughter, is home from college nursing a broken heart. She’s seeking solace, not more scandal, so when she catches her dad kissing Nora, she vows to take the homewrecker down.

For 15 years, Lexi and Jake have played the same six numbers with their friends. Over drinks, dinner parties and summer barbecues, the three couples have discussed the important stuff — kids, marriages, careers — and they’ve laughed off their disappointment when they failed to win anything.

When a Category 5 hurricane is poised to hit their coastal Florida town, the Davies family takes refuge in their waterfront manse. Marlowe, Lee, and their teenage twins invite their close friends to wait out the storm in comfort and style. Uninvited are the three strangers who dock on the family’s shore right before the storm descends. Brothers Jason and Bo—and Bo’s girlfriend, Darcy—are a charming, helpful trio in need of a safe haven that the Davies are only too happy to provide. But as the storm outside grows more threatening, so does the tension in the house.

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.

Julia White is struggling: her bartending job isn’t cutting it, and her first book has sold hardly any copies. She’s broke, barely able to make ends meet while drowning in her late mother’s medical bills and reeling after a one-night stand with her ex-boyfriend, who’s now completely ghosted her. Enter Johnathan Aster, world-renowned photographer, with a proposal: he has a never-before-seen photograph of a woman falling from a train bridge, clutching what appears to be a baby. And he wants Julia to research the story.

Jake Hayes is missing. This much is certain. At first, his wife, Nina, thinks he is blowing off steam at a friend’s house after their heated fight the night before. But then a day goes by. Two days. Five. And Jake is still nowhere to be found. Lily Scott, Nina’s friend and coworker, thinks she may have been the last to see Jake before he went missing. After Lily confesses everything to her husband, Christian, the two decide that nobody can find out what happened leading up to Jake’s disappearance, especially not Nina.

Whitney had some misgivings when she dropped her increasingly moody teenage daughter, Amelia, off at Lauren’s house. She’d never met the parents, and usually she’d go in, but Amelia clearly wasn’t going to let something so humiliating happen, so instead Whitney waved to her daughter before pulling away from the little house with the roses in front. But when she goes back the next day, an elderly couple answers the door - Amelia and Lauren aren’t there, and this couple swears they never were, that she’s at the wrong house.

Emma Carpenter lives in isolation with her golden retriever Laika, house-sitting an old beachfront home on the rainy Washington coast. Her only human contact is her enigmatic old neighbor, Deek, and (via text) the house’s owner, Jules. One day, she reads a poorly written—but gruesome—horror novel by the author H. G. Kane, and posts a one-star review that drags her into an online argument with none other than the author himself. Soon after, disturbing incidents start to occur at night.

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.