Piper Woods can't wait to graduate and leave high school—and all its annoying cliques—behind. But when she finds a mysterious notebook filled with the sins of her fellow students, Piper is suddenly drowning in their secrets. And she's not the only one who knows them. An anonymous text invites Piper to choose to punish the cheater, the bully, or the shoplifter. The popular kids with their dirty little secrets. With one text, Piper can make them pay. But the truth can be dangerous . . .

Alyson is a romantic, and sometimes it gets her into trouble. Like last summer, she thought her co-worker was into her, when in reality he found her flirting pathetic. Then she meets Brenton Riggs Jr., and right away she knows that their connection isn’t just in her head. When he swoops in to save her one night from a less than savory party encounter, she falls head-over-heels. Finally, someone Alyson likes who likes her back!

A year ago, beloved cheerleader Stella Blackthorn vanished without a trace. Devastated, her younger sister, Iris, launched her own investigation, but all she managed to do was scare off the police’s only lead and earn a stern warning: Once she turns 18, more meddling means prison-level consequences. Then, a year later, the unthinkable happens. Iris’s ex-girlfriend, Heather, goes missing, too—just after dropping the polarizing last episode of her true crime podcast all about Iris’s sister. This time, nothing will stop Iris and her amateur sleuthing agency from solving these disappearances.

Scoring an invitation for membership to the exclusive Legacy Club in New York City is more than an honor. It gives you a lifetime of access to power and wealth beyond any prep school doors and guaranteed safety and security. So it’s not surprising when Excelsior Prep seniors Bernie Kaplan, Isobel Rothcroft, and Skyler Hawkins are nominated as Legacies; their family pedigrees have assured their membership since birth—even if they're all keeping secrets that could destroy their reputations. But scholarship kid from Queens Tori Tasso? She’s a surprise nominee.

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.

Theodore Finch is fascinated by death, and he constantly thinks of ways he might die. But each time, something good, no matter how small, stops him. Violet Markey lives for the future, counting the days until graduation, when she can escape her Indiana town and her aching grief in the wake of her sister's recent death. When Finch and Violet meet on the ledge of the bell tower at school, it's unclear who saves whom.

Milly's mother is a serial killer. Though Milly loves her mother, the only way to make her stop is to turn her in to the police. Milly is given a fresh start: a new identity, a home with an affluent foster family, and a spot at an exclusive private school. But Milly has secrets, and life at her new home becomes complicated. As her mother's trial looms, with Milly as the star witness, Milly starts to wonder how much of her is nature, how much of her is nurture, and whether she is doomed to turn out like her mother after all.

When I arrive unannounced at my husband's studio in need of a shoulder to cry on after hearing that my best student, Alex, has died, I see a pair of wineglasses drying by the sink, and my deepest fear is confirmed: my husband is having an affair. Most women would fall to their knees in tears and throw him out of the house - but I just can't bring myself to do it. Instead, I go home and cook a healthy dinner for our children, walk the dog, and unload the dishwasher without complaint. I need this marriage to work to protect a terrible secret of my own....

2000. Bright, ambitious, and yearning for adulthood, 15-year-old Vanessa Wye becomes entangled in an affair with Jacob Strane, her magnetic and guileful 42-year-old English teacher. 2017. Amid the rising wave of allegations against powerful men, a reckoning is coming due. Strane has been accused of sexual abuse by a former student, who reaches out to Vanessa, and now Vanessa suddenly finds herself facing an impossible choice: Remain silent, firm in the belief that her teenage self willingly engaged in this relationship, or redefine herself and the events of her past.

Janey Markham is thrilled to be moving with her family to Buckingham Crescent, the smartest address in a desirable suburban town. Worried she’ll be excluded by the glossy local mothers, Janey is thrilled when she meets Tanya, the kind of woman she has always looked up to. Tanya takes Janey under her wing and her teenage daughter, Angel, is amazing with Janey’s little boy. As Janey and Tanya grow closer, Janey feels she can finally leave her troubled past behind.

Of course, I’m not going to murder her in the night. I need my laptop back first. That’s the whole point of making friends with Emily Harper, author of the hugely successful novel Diary of an Octopus. So I could get into her apartment and take back what’s mine. Emily doesn’t know who I really am. She thinks I’m her biggest fan, her new best friend who happens to need a place to stay for a few days. She doesn’t realize the laptop she found—and took—from a busy airport almost two years ago was mine. I don’t care about the laptop, just what's on it: my diary.

Judy Lohden is your above-average 16-year-old: sarcastic and vulnerable, talented and uncertain, full of big dreams for a big future. With a singing voice that can shake an auditorium, she should be the star of Darcy Arts Academy, the local performing-arts high school. So why is a girl this promising hiding out in a seedy motel room on the edge of town?

Aideen has plenty of problems she can’t solve. But when she stumbles upon overachiever Meabh Kowalska having a full-blown meltdown, she sees one that she can actually fix. Meabh is desperate to escape her crushing pile of extracurriculars. Aideen volunteers to help - by pushing her down the stairs. Problem? Solved. Meabh’s sprained ankle is the perfect excuse to ditch her overwhelming schedule. But when one of their classmates learns about their little scheme, more “clients” start asking for Aideen’s “help”.

The daughter of small-town social climbers, Amanda Kelly is deeply invested in her boyfriend, real estate heir Carter Shaw. He's kind, ambitious, the town golden boy - but behind Amanda's back, Carter is also dating Rosalie. Rosalie Bell is fighting to remain true to herself and her girlfriend - while concealing her identity from her Christian fundamentalist parents. After years spent in and out of conversion "therapy", maintaining a fake straight relationship is killing her from the inside. Then an anonymous texter ropes Amanda and Rosalie into a bid to take Carter down.

Will Hurley was an attractive, charming, and impressive student at Dublin's elite St. John's College - and Ireland's most prolific serial killer. Having stalked his five young victims, he drowned them in the muddy waters of the Grand Canal. Sentenced to life imprisonment when he was just 19, Will is locked away in the city's Central Psychiatric Hospital.