Dominic Salt and his three children are caretakers of Shearwater, a tiny island not far from Antarctica. Home to the world’s largest seed bank, Shearwater was once full of researchers, but with sea levels rising, the Salts are now its final inhabitants. Until, during the worst storm the island has ever seen, a woman mysteriously washes ashore.

Heir to a fortune, Marguerite is destined for a life of prosperity and gentility. Then she is orphaned, and her guardian—an enigmatic and volatile man—spends her inheritance and insists she accompany him on an expedition to New France. That journey takes a unexpected turn when Marguerite, accused of betrayal, is brutally punished and abandoned on a small island.

There's no such thing as a perfect guy, but Xavier Rush comes disastrously close. A gorgeous veterinarian giving Greek god vibes—all while cuddling a tiny kitten? Immediate yes. That is until Xavier opens his mouth and proves that even sculpted gods can say the absolute wrong thing. Like, really wrong. Of course, there’s nothing Samantha loves more than proving an asshole wrong . . . unless, of course, he can admit he made a mistake.

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.

Cate Kay knows how to craft a story. As the creator of a bestselling book trilogy that struck box office gold as a film series, she’s one of the most successful authors of her generation. The thing is, Cate Kay doesn’t really exist. She’s never attended author events or granted any interviews. Her real identity had been a closely guarded secret, until now.

As they do each June, the Foxes have driven the winding roads of Appalachia to drop off their children for a two-week stay at their grandmother’s. Here, twelve-year-old Thea can run free and breathe in the smell of pine. But as her parents head back to suburban Virginia, they have no idea they’re about to cross paths with a ticking time bomb. Back in Kentucky, Thea and her grandmother Lucy both awaken from the same nightmare. And though the two have never discussed the special kind of sight they share, they know as soon as their tearful eyes meet that something terrible has happened.

Maine, 1789: When the Kennebec River freezes, entombing a man in the ice, Martha Ballard is summoned to examine the body and determine cause of death. As a midwife and healer, she is privy to much of what goes on behind closed doors in Hallowell. Her diary is a record of every birth and death, crime and debacle that unfolds in the close-knit community. Months earlier, Martha documented the details of an alleged rape committed by two of the town’s most respected gentlemen—one of whom has now been found dead in the ice.

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.

Author Grady Green is having the worst best day of his life. Grady calls his wife to share some exciting news as she is driving home. He hears Abby slam on the brakes, get out of the car, then nothing. When he eventually finds her car by the cliff edge the headlights are on, the driver door is open, her phone is still there. . . but his wife has disappeared. A year later, Grady is still overcome with grief and desperate to know what happened to Abby. He can’t sleep, and he can’t write, so he travels to a tiny Scottish island to try to get his life back on track. Then he sees the impossible.

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.