It’s New Year’s Eve 1999. Y2K is expected to end in chaos: planes falling from the sky, elevators plunging to earth, world markets collapsing. A digital apocalypse. None of that happens. But at a Blockbuster Video in New Jersey, four teenagers working late at the store are attacked. Only one inexplicably survives. Police quickly identify a suspect, the boyfriend of one of the victims, who flees and is never seen again. 

If Avery Chambers can’t fix you in 10 sessions, she won’t take you on as a client. Her successes are phenomenal - she helps people overcome everything from domineering parents to assault - and almost absorbs the emptiness she sometimes feels since her husband’s death. Marissa and Mathew Bishop seem like the golden couple - until Marissa cheats. She wants to repair things, both because she loves her husband and for the sake of their eight-year-old son. After a friend forwards an article about Avery, Marissa takes a chance on this maverick therapist.

In a first-class lounge at JFK airport, our narrator listens as Jeff Cook, a former classmate he only vaguely remembers, shares the uncanny story of his adult life—a life that changed course years before, the moment he resuscitated a drowning man.

Owen Mann is charming, privileged, and chronically dissatisfied. Luna Grey is secretive, cautious, and pragmatic. Despite their differences, they form a bond the moment they meet in college. Their names soon become indivisible - Owen and Luna, Luna and Owen - and stay that way even after an unexplained death rocks their social circle. 

Chloe Cates is missing. The 13-year-old star of the hit YouTube series CC and Me has disappeared, and nobody knows where she’s gone - least of all ruthless momager Jennifer Scarborough, who has spent much of her daughter’s young life crafting a child celebrity persona that is finally beginning to pay off. And in Chloe’s absence, the faux-fairy-tale world that supported that persona begins to fracture, revealing secrets capable of reducing the highly dysfunctional Scarborough family to rubble. 

Helen’s idyllic life - handsome architect husband, gorgeous Victorian house, and cherished baby on the way - begins to change the day she attends her first prenatal class. There, she meets Rachel, an unpredictable single mother-to-be who doesn’t seem very maternal: She smokes, drinks, and professes little interest in parenthood. Still, Helen is drawn to her. Maybe Rachel just needs a friend. And to be honest, Helen’s a bit lonely herself. At least Rachel is fun to be with. She makes Helen laugh, invites her confidences, and distracts her from her fears.

When Lux McAllister and her boyfriend, Nico, are hired to sail two women to a remote island in the South Pacific, it seems like the opportunity of a lifetime. Stuck in a dead-end job in Hawaii, and longing to travel the world after a family tragedy, Lux is eager to climb on board The Susannah and set out on an adventure. She’s also quick to bond with their passengers, college best friends Brittany and Amma. The two women say they want to travel off the beaten path. But like Lux, they may have other reasons to be seeking an escape. 

Twenty-four-year-old New York bookseller Naomi Ackerman is desperate to write a novel, but struggles to find a story to tell. When, after countless disastrous dates, she meets Caleb—a perfectly nice guy with a Welsh accent and a unique patience for all her quirks—she thinks she's finally stumbled onto a time-honored subject: love. Then Caleb's ex-girlfriend, Rosemary, enters the scene. 

True-crime writer Wylie Lark doesn’t mind being snowed in at the isolated farmhouse where she’s retreated to write her new book. A cozy fire, complete silence. It would be perfect, if not for the fact that decades earlier, at this very house, two people were murdered in cold blood and a girl disappeared without a trace. As the storm worsens, Wylie finds herself trapped inside the house, haunted by the secrets contained within its walls - haunted by secrets of her own. Then she discovers a small child in the snow just outside.

Molly Gray is not like everyone else. She struggles with social skills and misreads the intentions of others. Her gran used to interpret the world for her, codifying it into simple rules that Molly could live by. Since Gran died a few months ago, 25-year-old Molly has been navigating life’s complexities all by herself. No matter - she throws herself with gusto into her work as a hotel maid. But Molly’s orderly life is upended the day she enters the suite of the infamous and wealthy Charles Black, only to find it in a state of disarray and Mr. Black himself dead in his bed.

At an elite private school nestled in the Colorado mountains, Natalie, an office assistant, dreams of having a life like the school moms she deals with every day. Women like Brooke—a gorgeous heiress, ferociously loving mother and serial cheater—and Asha, an overprotective mom who suspects her husband of having an affair. Their fates are bound by the handsome Assistant Athletic Director Nicholas, whom Natalie loves, Brooke wants, and Asha needs.

Stephen Aston is getting married again. The only problem is, he's still married to his first wife, even though she is in a care facility for dementia. But he'll take care of that easily, by divorcing her—even if his adult daughters protest. Tully and Rachel Aston look upon Heather as nothing but an interloper. Heather is the same age as Rachel and even younger than Tully. Clearly she's a gold digger and after their father's money. Heather has secrets that she's keeping close, and reasons of her own for wanting to marry Stephen.

Jason Bennett is a suburban dad who owns a court-reporting business, but one night, his life takes a horrific turn. He is driving his family home after his daughter’s field hockey game when a pickup truck begins tailgating them, on a dark stretch of road. Suddenly two men jump from the pickup and pull guns on Jason, demanding the car. A horrific flash of violence changes his life forever.

In 1977, Claire Lake, Oregon, was shaken by the Lady Killer Murders: Two men, seemingly randomly, were murdered with the same gun, with strange notes left behind. Beth Greer was the perfect suspect - a rich, eccentric 23-year-old woman, seen fleeing one of the crimes. But she was acquitted, and she retreated to the isolation of her mansion.

Frankie Elkin is an average middle-aged woman, a recovering alcoholic with more regrets than belongings. But she spends her life doing what no one else will - searching for missing people the world has stopped looking for. When the police have given up, when the public no longer remembers, when the media has never paid attention, Frankie starts looking. A new case brings her to Mattapan, a Boston neighborhood with a rough reputation. She is searching for Angelique Badeau, a Haitian teenager who vanished from her high school months earlier.