Madeline is a force to be reckoned with. She’s funny, biting, and passionate; she remembers everything and forgives no one. Celeste is the kind of beautiful woman who makes the world stop and stare, but she is paying a price for the illusion of perfection. New to town, single mom Jane is so young that another mother mistakes her for a nanny. She comes with a mysterious past and a sadness beyond her years. These three women are at different crossroads, but they will all wind up in the same shocking place.

Sam and Clementine have a wonderful, albeit, busy life: they have two little girls, Sam has just started a new dream job, and Clementine, a cellist, is busy preparing for the audition of a lifetime. If there’s anything they can count on, it’s each other. Clementine and Erika are each other’s oldest friends. A single look between them can convey an entire conversation. But theirs is a complicated relationship, so when Erika mentions a last minute invitation to a barbecue with her neighbors, Tiffany and Vid, Clementine and Sam don’t hesitate.

Flight attendant Allegra Patel loves her job, but today is her twenty-eighth birthday and she’d rather not be placating a plane full of passengers unhappy about a long delay. There’s the well-dressed man in seat 4C desperate not to miss his daughter’s musical. A harried mother frantically tries to keep her toddler and baby quiet. Honeymooners still in their wedding finery dream of their new lives, while a chatty emergency room nurse dreams of retirement.

Lyn, Cat, and Gemma Kettle, beautiful 33-year-old triplets, seem to attract attention everywhere they go. Together, laughter, drama, and mayhem follow them, but apart, each is dealing with her own share of ups and downs. Lyn has organized her life into one big checklist, Cat has just learned a startling secret about her marriage, and Gemma, who bolts every time a relationship hits the six-month mark, holds out hope for lasting love.

Nic wants nothing more than to move on from her sister’s disappearance and the state it’s left her in. But then one day, Jules’s sister, Jenna Connor, walks into Nic’s life and offers her something she hasn’t felt in a long time: hope. What follows is a gripping tale of two sisters who will do anything to find their missing halves, even if it means destroying everything they’ve ever known.