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.

Maya was a high school senior when her best friend, Aubrey, dropped dead in front of the enigmatic man named Frank whom they’d been spending time with all summer. Seven years later, Maya lives in Boston with a loving boyfriend and is kicking the secret addiction that has allowed her to cope with what happened years ago, the gaps in her memories, and the lost time that she can’t account for. But her past comes rushing back when she comes across a recent YouTube video in which a young woman suddenly keels over and dies in a diner while sitting across from none other than Frank.

Five years ago, Erin Kennedy moved to New York following a family tragedy. She now lives happily with her detective husband in the scenic seaside town of Newport, Long Island. When Erin answers the door to Danny's police colleagues one morning, it's the start of an ordinary day. But behind her, Danny walks to the window of their 4th-floor apartment and jumps to his death.

In 2009, Edie had New York’s social world in her thrall. Mercurial and beguiling, she was the shining star of a group of recent graduates living in a Brooklyn loft and treating New York like their playground. When Edie’s body was found near a suicide note at the end of a long, drunken night, no one could believe it. Grief, shock, and resentment scattered the group and brought the era to an abrupt end.

London, 1925: In a world of townhomes and tennis matches, socialites and shooting parties, Miss Nan O’Dea became Archie Christie’s mistress, luring him away from his devoted and well-known wife, Agatha Christie. The question is, why? Why destroy another woman’s marriage, why hatch a plot years in the making, and why murder? How was Nan O’Dea so intricately tied to those 11 mysterious days that Agatha Christie went missing?

It is midnight on the morning of Halloween, and Jen anxiously waits up for her 18-year-old son, Todd, to return home. But worries about his broken curfew transform into something much more dangerous when Todd finally emerges from the darkness. As Jen watches through the window, she sees her funny, seemingly happy teenage son stab a total stranger.

Gen is on the verge of a divorce from her cheating husband. When her sister, Meg, has a convention to attend in the Big Apple, she invites Gen along to celebrate her newly found freedom. But the perfect sisters’ getaway quickly goes awry when a tipsy Gen defiantly throws her wedding ring off the hotel room’s balcony. Then, wanting some fresh air, she decides to take a late-evening walk alone and vanishes without a trace.

To her adoring fans, Emmy Jackson, aka @the_mamabare, is the honest “Instamum” who always tells it like it is. To her skeptical husband, a washed-up novelist who knows just how creative Emmy can be with the truth, she is a breadwinning powerhouse chillingly brilliant at monetizing the intimate details of their family life.To one of Emmy’s dangerously obsessive followers, she’s the woman that has everything—but deserves none of it.

Shelby Tebow is the first to go missing. Not long after, Meredith Dickey and her six-year-old daughter, Delilah, vanish just blocks away from where Shelby was last seen, striking fear into their once-peaceful community. Are these incidents connected? After an elusive search that yields more questions than answers, the case eventually goes cold. Now, 11 years later, Delilah shockingly returns. Everyone wants to know what happened to her, but no one is prepared for what they'll find....

Ava Wong has always played it safe. As a strait-laced, rule-abiding Chinese American lawyer with a successful surgeon as a husband, a young son, and a beautiful home—she’s built the perfect life. But beneath this façade, Ava’s world is crumbling: her marriage is falling apart, her expensive law degree hasn’t been used in years, and her toddler’s tantrums are pushing her to the breaking point. Enter Winnie Fang, Ava’s enigmatic college roommate from Mainland China, who abruptly dropped out under mysterious circumstances.

Erin is a documentary filmmaker on the brink of a professional breakthrough, Mark a handsome investment banker with big plans. Passionately in love, they embark on a dream honeymoon to the tropical island of Bora Bora, where they enjoy the sun, the sand, and each other. Then, while scuba diving in the crystal blue sea, they find something in the water....

High-powered businesswoman Lana Rubicon has a lot to be proud of: her keen intelligence, impeccable taste, and the L.A. real estate empire she’s built. But when she finds herself trapped 300 miles north of the city, convalescing in a sleepy coastal town with her adult daughter Beth and teenage granddaughter Jack, Lana is stuck counting otters instead of square footage—and hoping that boredom won’t kill her before the cancer does.

The day Anna McDonald's quiet, respectable life explodes starts off like all the days before: Packing up the kids for school, making breakfast, listening to yet another true crime podcast. Then her husband comes downstairs with an announcement, and Anna is suddenly, shockingly alone. Reeling, desperate for distraction, Anna returns to the podcast. Other people's problems are much better than one's own - a sunken yacht, a murdered family, a hint of international conspiracy. But this case actually is Anna's problem. She knows one of the victims from an earlier life.

At home they are just sisters, but on stage, they are The Salvations. Ruth, Esther, and Chloe have been singing and dancing in harmony since they could speak. Thanks to the rigorous direction of their mother, Vivian, they’ve become a bona fide girl group whose shows are the talk of the Jazz-era Fillmore.

Celebrating her forty-fifth birthday at her local pub, popular podcaster Alix Summer crosses paths with an unassuming woman called Josie Fair. Josie, it turns out, is also celebrating her forty-fifth birthday. They are, in fact, birthday twins. A few days later, Alix and Josie bump into each other again, this time outside Alix’s children’s school. Josie has been listening to Alix’s podcasts and thinks she might be an interesting subject for her series. She is, she tells Alix, on the cusp of great changes in her life.