The Latecomer follows the story of the wealthy, New York City-based Oppenheimer family, from the first meeting of parents Salo and Johanna, under tragic circumstances, to their triplets born during the early days of IVF. As children, the three siblings—Harrison, Lewyn, and Sally—feel no strong familial bond and cannot wait to go their separate ways, even as their father becomes more distanced and their mother more desperate. When the triplets leave for college, Johanna, faced with being truly alone, makes the decision to have a fourth child.

Louisa has come to her parents’ house in Maine this summer with her three kids, a barely written book that has a looming deadline, and a trunkful of resentment. Louisa is hoping the crisp breeze will blow away her irritation for her life choices and replace it with enthusiasm for both her family and her writing. But all isn’t well in Maine. Louisa’s father, a retired judge and pillar of the community, is suffering from Alzheimer’s. Louisa’s mother is alternately pretending everything is fine and not pretending at all.

Fresh off a bad breakup with a longtime boyfriend, Nantucket sweetheart Lizbet Keaton is desperately seeking a second act. When she’s named the new general manager of the Hotel Nantucket, a once Gilded Age gem turned abandoned eyesore, she hopes that her local expertise and charismatic staff can win the favor of their new London billionaire owner, Xavier Darling, as well as that of Shelly Carpenter, the wildly popular Instagram tastemaker who can help put them back on the map.

Olivia McAfee knows what it feels like to start over. Her picture-perfect life—living in Boston, married to a brilliant cardiothoracic surgeon, raising their beautiful son, Asher—was upended when her husband revealed a darker side. She never imagined that she would end up back in her sleepy New Hampshire hometown, living in the house she grew up in and taking over her father’s beekeeping business. Lily Campanello is familiar with do-overs, too. When she and her mom relocate to Adams, New Hampshire, for her final year of high school, they both hope it will be a fresh start.

Gretta Riordan wakes on a stultifying July morning to find that her husband of forty years has gone to get the paper and vanished, cleaning out his bank account along the way. Gretta’s three grown children converge on their parents’ home for the first time in years.

They say you can never go home again, and for Persephone Fraser, ever since she made the biggest mistake of her life a decade ago, that has felt too true. Instead of glittering summers on the lakeshore of her childhood, she spends them in a stylish apartment in the city, going out with friends, and keeping everyone a safe distance from her heart. Until she receives the call that sends her racing back to Barry’s Bay and into the orbit of Sam Florek—the man she never thought she’d have to live without.

For much of her life, Sally Holt has been mystified by the things her older sister, Kathy, seems to have been born knowing. Kathy has answers for all of Sally’s questions about life, about love, and about Billy Barnes, a rising senior and local basketball star who mans the concession stand at the town pool. The girls have been fascinated by Billy ever since he jumped off the roof in elementary school, but Billy has never shown much interest in them until the summer before Sally begins eighth grade.

Chemist Elizabeth Zott is not your average woman. In fact, Elizabeth Zott would be the first to point out that there is no such thing as an average woman. But it’s the early 1960s and her all-male team at Hastings Research Institute takes a very unscientific view of equality. Except for one: Calvin Evans; the lonely, brilliant, Nobel–prize nominated grudge-holder who falls in love with—of all things—her mind. True chemistry results.

When her twenty-two-year-old stepdaughter announces her engagement to her pandemic boyfriend, Sarah Danhauser is shocked. But headstrong Ruby has already set a date (just three months away!) and spoken to her beloved safta, Sarah’s mother Veronica, about having the wedding at the family’s beach house in Cape Cod. Sarah might be worried, but Veronica is thrilled to be bringing the family together one last time before putting the big house on the market. But the road to a wedding day usually comes with a few bumps

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.

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.

Carrie Soto is fierce, and her determination to win at any cost has not made her popular. But by the time she retires from tennis, she is the best player the world has ever seen. She has shattered every record and claimed twenty Grand Slam titles. And if you ask Carrie, she is entitled to every one. She sacrificed nearly everything to become the best, with her father, Javier, as her coach. A former champion himself, Javier has trained her since the age of two.

When Katy’s mother dies, she is left reeling. Carol wasn’t just Katy’s mom, but her best friend and first phone call. She had all the answers and now, when Katy needs her the most, she is gone. To make matters worse, their planned mother-daughter trip of a lifetime looms: to Positano, the magical town where Carol spent the summer right before she met Katy’s father. Katy has been waiting years for Carol to take her, and now she is faced with embarking on the adventure alone.

Austin’s Zilker Park neighborhood is a wonderland of greenbelt trails, live music, and moms who drink a few too many margaritas. Whitney, Annette, and Liza have grown thick as thieves as they have raised their children together for 15 years, believing that they can shelter them their children from an increasingly dangerous world. Their friendship is unbreakable - as safe as the neighborhood where they've raised their sweet little boys. Or so they think.

When actress and model Allison Langley leaves her former rockstar husband in the middle of the night, it’s all her Oak Hill neighbors can talk about. But the gossip comes to an abrupt halt when five-year-old Billy Barnes goes missing on his walk home from kindergarten. Billy’s mother, Rachel, blames herself for being at work and letting her only child walk alone. Cassidy, Billy’s teenage babysitter, was also late to arrive on the afternoon he disappeared and blames herself for his disappearance.