Isolated and embroiled in a custody battle, Mary is desperate for a friend. So when she meets the charming and enigmatic Willa at a Brooklyn playground, their connection feels fated. But during a margarita-fueled moms’ night out, Mary shares her darkest secret about her ex, George, and the next morning Willa simply disappears. No calls, no texts, nothing.

Grace Berney is a mid-level bureaucrat in the Food and Drug Administration, a woman who once brimmed with purpose but somehow turned into a middle-aged single mom with a dull government job and a melancholy sense that life has passed her by. Until the night a strange photo comes across her desk, of a young woman in a hospital bed who has been subjected to a mysterious procedure.

FBI Agent Gardner Camden is an analytical genius with an affinity for puzzles. He also has a blind spot on the human side of investigations, a blindness that sometimes even includes people in his own life, like his beloved seven-year-old daughter Camila. Gardner and his squad of brilliant yet quirky agents make up the Patterns and Recognition (PAR) unit, the FBI’s hidden edge, brought in for cases that no one else can solve. When DNA links a murder victim to a serial killer long presumed dead, the team springs into action.

To everyone else it was “just” a weekend house party—complete with a pheasant shoot, inside jokes, and after-dinner games. But for American Nicola Harris, swept off her feet by aristocratic Englishman James Shuttleworth, the weekend is her first chance to penetrate his close-knit circle of posh friends—people with names like Badger and Trez, people who will soon have the titles of Earl and Countess. Nicola is eager to fit in, but she can’t seem to navigate this insular world, where everyone speaks a private language and secrets are hinted at behind the jolly jokes and witty barbs.

Amy is trapped in a nightmare with Jason, a controlling, violent husband. Then on a short cruise without him, Amy befriends Liz, a young woman traveling alone on her way to meet her birth mother for the first time. Liz looks so much like Amy that they could be sisters. When Amy regains consciousness after a terrible accident that takes the lives of many passengers, she finds that, because of a mix-up in personal effects, everyone believes she is Liz. Only she knows it is Liz who has gone missing, presumed dead.

Anne gets exactly the welcome to the neighborhood she expects: a basket of homemade cupcakes delivered by the woman next door and her best friend. One wears a curious smile while the other studies her every move. When Talia and Tabitha leave, Anne throws the treats in the trash. She knows what to expect from the new neighbors. Talia with her perfect husband and pale-peach sweater sets, and Tabitha who reigns as queen in the close-knit community. That’s why she chose this house.

It’s been twenty-five years since the shocking disappearance of a female student and the distinguished Creative Writing professor who died while searching for her. When an alumna dies in a shockingly similar way to the story she wrote, and then another succumbs to a similar fate, they realize someone has decided at long last to avenge the crimes of the past. Will the secret of what they did twenty-five years ago be revealed? Will any of them be alive at the end of the weekend to find out?

When Ruby McTavish Callahan Woodward Miller Kenmore dies, she’s not only North Carolina’s richest woman, she’s also its most notorious. The victim of a famous kidnapping as a child and a widow four times over, Ruby ruled the tiny town of Tavistock from Ashby House, her family’s estate high in the Blue Ridge Mountains. But in the aftermath of her death, her adopted son, Camden, wants little to do with the house or the money—and even less to do with the surviving McTavishes.

Everyone knows the story of the Alperton Angels: the cult who brainwashed a teenage girl into believing her baby was the anti-Christ. When the girl came to her senses and called the police, the Angels committed suicide and mother and baby disappeared.

Lucy Sharpe is larger than life. Magnetic, addictive. Bold and dangerous. Especially for Margot, who meets Lucy at the end of their freshman year at a liberal arts college in South Carolina. Margot is the shy one, the careful one, always the sidekick and never the center of attention. But when Lucy singles her out at the end of the year, a year Margot spent studying and playing it safe, and asks her to room together, something in Margot can't say no—something daring, or starved, or maybe even envious.