A brilliant female codebreaker. An “unbreakable” Japanese naval code. A pilot on a top-secret mission that could change the course of WWII. The Codebreaker's Secret is a dazzling story of love and intrigue set during America’s darkest hour.

Welcome to the most tumultuous summer of the 20th century. It's 1969, and for the Levin family, the times they are a-changing. Every year, the children have looked forward to spending the summer at their grandmother's historic home in downtown Nantucket. But like so much else in America, nothing is the same.

Franny Doyle is having the worst day. She’s been laid off from her (admittedly mediocre) job, the subway doors ripped her favorite silk dress to ruins, and now she’s flashed her unmentionables to half of lower Manhattan. On the plus side, a dashing stranger came to her rescue with his (Gucci!) suit jacket. On the not-so-plus side, he can’t get away from her fast enough. Worse yet? Someone posted their (entirely not) meet-cute online. Suddenly Franny and her knight-in-couture, Hayes Montgomery III, are the newest social media sensation, and all of New York is shipping #SubwayQTs.

Hollywood, 1955. As head costume designer for Lux Pictures, Lena Taylor hears startling confessions from the biggest movie stars. She knows how to keep their secrets—after all, none of their scandals can match her own. Lena was once Elsie Gruner, the daughter of an Ohio dressmaker. Her gift for fashion design helped her win a coveted spot at an art academy in Rome. While in Italy, she became enthralled by the charismatic Julia, who drew her into a shadowy world of jazz clubs, code words, and mysterious deliveries.

Six years after the fight that ended their friendship, Daphne Berg is shocked when Drue Cavanaugh walks back into her life, looking as lovely and successful as ever, with a massive favor to ask. Daphne hasn’t spoken one word to Drue in all this time - she doesn’t even hate-follow her ex-best friend on social media - so when Drue asks if she will be her maid-of-honor at the society wedding of the summer, Daphne is rightfully speechless.

Augustus Everett is an acclaimed author of literary fiction. January Andrews writes best-selling romance. When she pens a happily ever after, he kills off his entire cast. They’re polar opposites. In fact, the only thing they have in common is that for the next three months, they're living in neighboring beach houses, broke, and bogged down with writer's block.

Hollis Shaw, creator of the popular food blog, Hungry with Hollis, is shocked when her heart surgeon husband, Matthew, is killed in a one-car accident on a snowy morning. The cracks in Hollis’s perfect life—her strained marriage and her complicated relationship with her daughter, Caroline—grow deeper. So when Hollis hears about something called a “Five-Star Weekend”—one woman organizes a trip for her best friend from each phase of her life: her teenage years, her twenties, her thirties, and midlife—she decides to host her own Five-Star Weekend on Nantucket.

In the summer of 1951, Miranda Schuyler arrives on elite, secretive Winthrop Island as a schoolgirl from the margins of high society. When her beautiful mother marries Hugh Fisher, Miranda’s catapulted into a heady new world of pedigrees and cocktails. Isobel Fisher, Miranda’s new stepsister is eager to draw Miranda into the arcane customs of Winthrop society. But there are really two clans: the summer families with their steadfast ways and quiet obsessions, and the working class of Portuguese fishermen and domestic workers. Then Miranda is caught in a catastrophe and banished....

If she wasn’t dead already, Delphie would be dying of embarrassment. Not only did she just die by choking on a microwaveable burger, but now she’s standing in her ‘shine like a star’ nightie in front of the hottest man she’s ever seen. And he’s smiling at her. As they start to chat, everything else becomes background noise. That is until someone comes running out of a door, yelling something about a huge mistake, and sends the dreamy stranger back down to earth. And here Delphie was thinking her luck might be different in the afterlife.

After years of working her tail off at her event-planning business, Maggie Mitchell is ready for a vacation. With nothing on her mind but R & R, she’s enjoying the warm weather of Bora Bora when in saunters Brody McFadden, her brother’s best friend and also her sworn enemy. Thanks to years of tension between the two—kicked off by a make-out session at her brother’s wedding that ended horribly—Maggie has sworn to stay away from the man. That is, until she finds out he’s in Bora Bora for his boss’s daughter’s wedding, hoping to use the trip to win a real future at the company.

Meet Jessica Jones: retired superhero, private investigator, loner. She tried her best to be a shiny spandex crimefighter, but that life only led to unspeakable trauma. Now she avoids that world altogether and works on surviving day-to-day in Hell’s Kitchen, New York. The morning a distraught mother comes into her office, Jessica would prefer to nurse her hangover and try to forget last night’s poor choices. But something about Amber Randall’s story strikes a chord with her. Amber is adamant that something happened to her teenage twins while they were visiting their father in the UK.

The year 1996 was the one that changed everything for Maggie Dawes. Sent away at 16 to live with an aunt she barely knew in Ocracoke, a remote village on North Carolina’s Outer Banks, she could think only of the friends and family she left behind...until she met Bryce Trickett, one of the few teenagers on the island. Handsome, genuine, and newly admitted to West Point, Bryce showed her how much there was to love about the wind-swept beach town - and introduced her to photography, a passion that would define the rest of her life. By 2019, Maggie is a renowned travel photographer.

Beckett: If you’re reading this, well, you know the last-letter drill. You made it. I didn’t. Get off the guilt train, because I know if there was any chance you could have saved me, you would have. I need one thing from you: get out of the army and get to Telluride. My little sister Ella’s raising the twins alone. She’s too independent and won’t accept help easily, but she has lost our grandmother, our parents, and now me. It’s too much for anyone to endure. And here’s the kicker: there’s something else you don’t know that’s tearing her family apart.

Anna McNichol knows how to take charge. Raised by a single mother, she’s worked to ensure her three children have every advantage she didn’t. And while her marriage has its problems, she values commitment and believes in "till death do us part." Now an empty nester, she’s at the peak of her career and ready to seize the opportunity to focus on her future.

She used to work for the US government, but very few people ever knew that. An expert in her field, she was one of the darkest secrets of an agency so clandestine it doesn't even have a name. And when they decided she was a liability, they came for her without warning. Now she rarely stays in the same place or uses the same name for long. They've killed the only other person she trusted, but something she knows still poses a threat. They want her dead, and soon.