The night after her father's funeral, Claire meets Lucas in a bar. Lucas doesn't know it, but it's not a chance meeting. One thoughtless mistyped email has put him in the crosshairs of an extremely put-out serial killer. But before they make eye contact, before Claire lets him buy her a drink—even before she takes him home and carves him up into little pieces—something about that night is very wrong. Because someone is watching Claire. Someone who is about to discover her murderous little hobby.

Remi Finch has spent the better part of her adult life avoiding family—especially her sisters. They just don’t click. Besides, her unconventional upbringing and major anxiety have convinced Remi that she can’t build a relationship with anyone. Period. When her parents plan a family reunion camping trip to celebrate their anniversary, Remi’s willing to reconnect, if only because she doesn’t have a choice. But then a dead body turns up at their campsite, and their sisterly bonding kicks into high gear.

Grim Wolds, England: Winifred Notty arrives at Ensor House prepared to play the perfect governess—she’ll dutifully tutor her charges, Drusilla and Andrew, tell them bedtime stories, and only joke about eating children. But long, listless days spent within the estate’s dreary confines come with an intimate knowledge of the perversions and pathetic preoccupations of the Pounds family—Mr. Pounds can’t keep his eyes off Winifred’s chest, and Mrs. Pounds takes a sickly pleasure in punishing Winifred for her husband’s wandering gaze.

They never considered how his wife might react, or that by the end of the summer a man would be dead. But Blakely always got her way, and the others followed her lead—even when they knew it was dead wrong. The girls had been friends from day one at Camp Pendleton, a haven for gifted children. But their senior summer was different. When Mr. Crosby, the handsome tennis coach, wound up murdered after a reckless lie, Blakely, Grace, Meg, and Thera swore themselves to secrecy. And never spoke to each other again.

Greta lives with her friend Sabine in an ancient Dutch farmhouse in Hudson, New York. The house is unrenovated, uninsulated, and full of bees. Greta spends her days transcribing therapy sessions for a sex coach who calls himself Om. She becomes infatuated with his newest client, a repressed married woman she affectionately refers to as Big Swiss.