Nine people gather at a remote health resort. Some are here to lose weight, some are here to get a reboot on life, some are here for reasons they can’t even admit to themselves. Amidst all of the luxury and pampering, the mindfulness and meditation, they know these ten days might involve some real work. But none of them could imagine just how challenging the next ten days are going to be.

It’s a beautiful day in Newport, Rhode Island, when Phoebe Stone arrives at the grand Cornwall Inn wearing a green dress and gold heels, not a bag in sight, alone. She's immediately mistaken by everyone in the lobby for one of the wedding people, but she’s actually the only guest at the Cornwall who isn’t here for the big event. Phoebe is here because she’s dreamed of coming for years—she hoped to shuck oysters and take sunset sails with her husband, only now she’s here without him, at rock bottom, and determined to have one last decadent splurge on herself.

Alice Scott is an eternal optimist still dreaming of her big writing break. Hayden Anderson is a Pulitzer-prize winning human thundercloud. And they’re both on balmy Little Crescent Island for the same reason: To write the biography of a woman no one has seen in years—or at least to meet with the octogenarian who claims to be the Margaret Ives. Tragic heiress, former tabloid princess, and daughter of one of the most storied (and scandalous) families of the 20th Century.

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.

Sophie Honeywell always wondered if Thomas Gordon was the one who got away. He was the perfect boyfriend, but on the day he was going to propose, she broke his heart. A year later, he married his travel agent, while Sophie has been mortifyingly single ever since. Now, Thomas is back in her life because Sophie has unexpectedly inherited his aunt Connie's house on Scribbly Gum Island - home of the famously unsolved Munro Baby mystery.

Women can be heroes. When twenty-year-old nursing student Frances “Frankie” McGrath hears these words, it is a revelation. Raised in the sun-drenched, idyllic world of Southern California and sheltered by her conservative parents, she has always prided herself on doing the right thing. But in 1965, the world is changing, and she suddenly dares to imagine a different future for herself. When her brother ships out to serve in Vietnam, she joins the Army Nurse Corps and follows his path.

Daisy is a girl coming of age in LA in the late '60s, sneaking into clubs on the Sunset Strip, sleeping with rock stars, and dreaming of singing at the Whisky a Go Go. The sex and drugs are thrilling, but it’s the rock and roll she loves most. By the time she’s 20, her voice is getting noticed, and she has the kind of heedless beauty that makes people do crazy things. Also getting noticed is The Six, a band led by the brooding Billy Dunne.

After Lucy is found wandering the streets, covered in her best friend Savvy’s blood, everyone thinks she is a murderer. Lucy and Savvy were the golden girls of their small Texas town: pretty, smart, and enviable. Lucy married a dream guy with a big ring and an even bigger new home. Savvy was the social butterfly loved by all, and if you believe the rumors, especially popular with the men in town. It’s been years since that horrible night, a night Lucy can’t remember anything about, and she has since moved to LA and started a new life.

The Delaneys are fixtures in their community. The parents, Stan and Joy, are the envy of all of their friends. They’re killers on the tennis court, and off it their chemistry is palpable. But after 50 years of marriage, they’ve finally sold their famed tennis academy and are ready to start what should be the golden years of their lives. So why are Stan and Joy so miserable?

Most people don’t even notice them—three tiny figures sitting at the end of a long pier in the corner of one of the most famous paintings in the world. Most people think it’s just a depiction of the sea. But Louisa, an artist herself, knows otherwise and she is determined to find out the story of these three enigmatic figures. Twenty-five years earlier, in a distant town, a group of teenagers find refuge from their difficult home lives by spending their days laughing and telling stories out on a pier.

Young playwright Melina Green has just written a new work inspired by the life of her Elizabethan ancestor Emilia Bassano. But seeing it performed is unlikely, in a theater world where the playing field isn’t level for women. As Melina wonders if she dares risk failure again, her best friend takes the decision out of her hands and submits the play to a festival under a male pseudonym.

The identity comes first: Evie Porter. Once she’s given a name and location by her mysterious boss, Mr. Smith, she learns everything there is to know about the town and the people in it. Then the mark: Ryan Sumner. The last piece of the puzzle is the job. Evie isn’t privy to Mr. Smith’s real identity, but she knows this job isn't like the others. Ryan has gotten under her skin, and she’s starting to envision a different sort of life for herself. But Evie can’t make any mistakes—especially after what happened last time.

William Waters grew up in a house silenced by tragedy, where his parents could hardly bear to look at him, much less love him—so when he meets the spirited and ambitious Julia Padavano in his freshman year of college, it’s as if the world has lit up around him. With Julia comes her family, as she and her three sisters are inseparable: Sylvie, the family’s dreamer, is happiest with her nose in a book; Cecelia is a free-spirited artist; and Emeline patiently takes care of them all.

It is June 21st, the longest day of the year, and new mother Camilla’s life is about to change forever. After months of maternity leave, she will drop her infant daughter off at daycare for the first time and return to her job as a literary agent. Finally. But, when she wakes, her husband Luke isn’t there, and in his place is a cryptic note. Then it starts. Breaking news: there's a hostage situation developing in London. The police arrive, and tell her Luke is involved. But he isn't a hostage. Her husband—doting father, eternal optimist—is the gunman.

Early morning, August 1975: a camp counselor discovers an empty bunk. Its occupant, Barbara Van Laar, has gone missing. Barbara isn’t just any thirteen-year-old: she’s the daughter of the family that owns the summer camp and employs most of the region’s residents. And this isn’t the first time a Van Laar child has disappeared. Barbara’s older brother similarly vanished fourteen years ago, never to be found.