Joy Bergman is not slipping into old age with the quiet grace her children, Molly and Daniel, would prefer. She won't take their advice, and she won't take an antidepressant. Her marriage to their father, Aaron, has lasted through health and dementia, as well as some phenomenally lousy business decisions. The Bergman clan has always stuck together, growing as it incorporated in-laws, ex-in-laws, and same-sex spouses. But families don't just grow, they grow old.

Jen Weinstein and Lauren Parker rule the town of Salcombe, Fire Island every summer. They hold sway on the beach and the tennis court, and are adept at manipulating people to get what they want. Their husbands, Sam and Jason, have summered together on the island since childhood, despite lifelong grudges and numerous secrets. Their one single friend, Rachel Woolf, is looking to meet her match, whether he’s the tennis pro. But even with plenty to gossip about, this season starts out as quietly as any other. Until a body is discovered, face down, off the side of the boardwalk.

Nisha Cantor lives the globetrotting life of the seriously wealthy, until her husband announces a divorce and cuts her off. Nisha is determined to hang onto her glamorous life. But in the meantime, she must scramble to cope--she doesn’t even have the shoes she was, until a moment ago, standing in. That’s because Sam Kemp—in the bleakest point of her life—has accidentally taken Nisha’s gym bag. But Sam hardly has time to worry about a lost gym bag—she’s struggling to keep herself and her family afloat.

It's a winter evening in Boston and the temperature has drastically dropped as a blizzard approaches the city. On this fateful night, Bernard Doyle plans to meet his two adopted sons, Tip the older, and more serious and Teddy, the affectionate dreamer, at a Harvard auditorium to hear a speech given by Jesse Jackson. Doyle, an Irish Catholic and former Boston mayor, has done his best to keep his two sons interested in politics, from the day he and his now deceased wife became their parents, through their childhoods, and now in their lives as college students.

In the summer of 1974 a heatwave blankets Boston and Mary Pat Fennessey is trying to stay one step ahead of the bill collectors. Mary Pat has lived her entire life in the projects of “Southie,” the Irish American enclave that stubbornly adheres to tradition and stands proudly apart. One night Mary Pat’s teenage daughter Jules stays out late and doesn’t come home. That same evening, a young Black man is found dead, struck by a subway train under mysterious circumstances. Mary Pat, propelled by a desperate search for her daughter, begins turning over stones best left untouched.

Charming ladies’ man Rory Randall dies with one last trick up his sleeve: His will includes a calculating clause mandating a summer-long reunion for his daughters, all from different marriages - that is, if they hope to inherit his posh Nantucket house. Relations among the three sisters are sour thanks to long-festering jealousies, resentments, and misunderstandings. Arden, a successful television host in Boston, hasn’t been back to the island since her teenage years, when accusations of serious misbehavior led to her banishment.

Memorial Day weekend means that seasonal visitors have descended on the glamorous island of Nantucket. For year-round resident Darcy Cotterill, it means late-night stargazing in the backyard of the beautiful house she grew up in and inherited from her beloved grandmother. It's also Darcy's chance to hit the beach and meet her new summertime neighbors. But the last person the thirty-year-old librarian expects to see staying next door is her ex-husband, Boyz, along with his wife, Autumn, and stepdaughter, Willow.

When Lauren and Ryan’s marriage reaches the breaking point, they come up with an unconventional plan. They decide to take a year off in the hopes of finding a way to fall in love again. One year apart, and only one rule: they cannot contact each other. Aside from that, anything goes. Lauren embarks on a journey of self-discovery, quickly finding that her friends and family have their own ideas about the meaning of marriage. These influences, as well as her own healing process and the challenges of living apart from Ryan, begin to change Lauren’s ideas about monogamy and marriage.

1926, and in a country still recovering from the Great War, London has become the focus for a delirious new nightlife. In the clubs of Soho, peers of the realm rub shoulders with starlets, foreign dignitaries with gangsters, and girls sell dances for a shilling a time. The notorious queen of this glittering world is Nellie Coker, ruthless but also ambitious to advance her six children, including the enigmatic eldest, Niven, whose character has been forged in the crucible of the Somme. But success breeds enemies, and Nellie’s empire faces threats from without and within.

At times stern, at other times patient, at times perceptive, at other times in sad denial, Olive Kitteridge, a retired schoolteacher, deplores the changes in her little town of Crosby, Maine, and in the world at large, but she doesn’t always recognize the changes in those around her: a lounge musician haunted by a past romance; a former student who has lost the will to live; Olive’s own adult child, who feels tyrannized by her irrational sensitivities; and her husband, Henry, who finds his loyalty to his marriage both a blessing and a curse.

There's Bella, stay-at-home mum of Teddy. She suffered postpartum psychosis after Teddy's birth. There's Chrissy, divorce lawyer, married to Russell. They're having some problems with their sex life. There's Electra, mother to twins, who is struggling with her son's behaviour. There's Skye, a single mother, who used a sperm donor to have her baby. Then there's Jen. She was supposed to be a mother, but it hasn't worked out like she expected.

Caretta Rutledge thought she’d left her Southern roots and troubled family far behind. But an unusual request from her mother – coming just as her own life is spinning out of control – has Cara heading back to the scenic Lowcountry of her childhood summers. Before long, the rhythms of the island open her heart in wonderful ways as she repairs the family beach house, becomes a bona fide “turtle lady” and renews old acquaintances long thought lost.

Birdie Cousins has thrown herself into the details of her daughter Chess's lavish wedding, from the floating dance floor in her Connecticut back yard to the color of the cocktail napkins. Like any mother of a bride-to-be, she is weathering the storms of excitement and chaos, tears and joy. But Birdie, a woman who prides herself on preparing for every possibility, could never have predicted the late-night phone call from Chess, abruptly announcing that she's cancelled her engagement. It's only the first hint of what will be a summer of upheavals and revelations.

From the author of the beloved novel Three Junes comes a rich and commanding story about the accidents, both grand and small, that determine our choices in love and marriage. Greenie Duquette, openhearted yet stubborn, devotes most of her passionate attention to her Greenwich Village bakery and her four-year-old son, George. Her husband, Alan, seems to have fallen into a midlife depression, while Walter, a traditional gay man who has become her closest professional ally, is nursing a broken heart.

After years of wandering from whim to whim, 30-year-old Charlotte Wheelwright seems to have at last found her niche. The free spirit enjoys running an organic gardening business on the island of Nantucket, thanks in large part to her spry grandmother Nona, who donated a portion of her land on the family's seaside compound to get Charlotte started.