A year ago, Irene Steele had the shock of her life: her loving husband, father to their grown sons and successful businessman, was killed in a helicopter crash. But that wasn't Irene's only shattering news: He'd also been leading a double life on the island of St. John, where another woman loved him, too. Now Irene and her sons are back on St. John, determined to learn the truth about the mysterious life - and death - of a man they thought they knew. Along the way, they're about to learn some surprising truths about their own lives, and their futures.

After uprooting her life in the States, Irene Steele has just settled in at the villa on St. John where her husband Russ had been living a double life. But a visit from the FBI shakes her foundations, and Irene once again learns just how little she knew about the man she loved. With help from their friends, Irene and her sons set up their lives while evidence mounts that the helicopter crash that killed Russ may not have been an accident.

Kelley Quinn is the owner of Nantucket's Winter Street Inn and the proud father of four, all of them grown and living in varying states of disarray. Patrick, the eldest, is a hedge fund manager with a guilty conscience. Kevin, a bartender, is secretly sleeping with a French housekeeper named Isabelle. Ava, a school teacher, is finally dating the perfect guy but can't get him to commit. And Bart, the youngest and only child of Kelley's second marriage to Mitzi, has recently shocked everyone by joining the Marines.

When Mallory Blessing's son, Link, receives deathbed instructions from his mother to call a number on a slip of paper in her desk drawer, he's not sure what to expect. But he certainly does not expect Jake McCloud to answer. It's the late spring of 2020 and Jake's wife, Ursula DeGournsey, is the frontrunner in the upcoming Presidential election. There must be a mistake, Link thinks. How do Mallory and Jake know each other?

It's wedding season on Nantucket. The beautiful island is overrun with summer people - an annual source of aggravation for year-round residents. When one lavish wedding ends in disaster before it can even begin - with the bride-to-be discovered dead in Nantucket Harbor just hours before the ceremony - everyone in the wedding party is suddenly a suspect. As Chief of Police Ed Kapenash digs into the best man, the maid of honor, the groom's famous mystery novelist mother, and even a member of his own family, the chief discovers that every wedding is a minefield - and no couple is perfect.

Adrienne Dealey has spent the past six years working for hotels in exotic resort towns. This summer she has decided to make Nantucket home. Left flat broke by her ex-boyfriend, she is desperate to earn some fast money. When the desirable Thatcher Smith, owner of Nantucket's hottest restaurant, is the only one to offer her a job, she wonders if she can get by with no restaurant experience. Thatcher gives Adrienne a crash course in the business...and they share an instant attraction.

With rumors of infidelity straining Greg and Tess MacAvoy's marriage, the couple head out on their sailboat one early summer day to celebrate their wedding anniversary, hoping the roughest waters are behind them. But in an accident off Nantucket, they mysteriously drown, leaving behind two small children as well as three couples who have long been their closest friends. Tragedy brings to the surface long-simmering conflicts and emotions, and the MacAvoys' six grieving friends find themselves unprepared for the revelation of secret upon secret.

A warm June evening, a local tradition: The students of Nantucket High have gathered for a bonfire on the beach. But what begins as a graduation night celebration ends in tragedy after a horrible car crash leaves the driver of the car, Penny Alistair, dead and her twin brother in a coma. The other passengers - Penny's boyfriend Jake and her friend Demeter - are physically unhurt, but the emotional damage is overwhelming, and questions linger about what happened before Penny took the wheel.

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.

On a perfect June day, Vivian Howe, author of 13 beach novels and mother of three nearly grown children, is killed in a hit-and-run car accident while jogging near her home on Nantucket. She ascends to the Beyond where she's assigned to a Person named Martha, who allows Vivi to watch what happens below for one last summer. Vivi also is granted three “nudges” to change the outcome of events on earth.

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 marriage, infidelity, and the mayhem of motherhood to scandal, tragedy, and illness - three women seek peace and comfort in Nantucket as they cope with life's challenges. Three women - burdened with small children, unwieldy straw hats, and some obvious emotional issues - tumble onto the Nantucket airport tarmac one hot June day. Vicki is trying to sort through the news that she has a serious illness. Her sister, Brenda, has just left her job after being caught in an affair with a student. And their friend Melanie, after seven failed in vitro attempts, is pregnant at last.

Meredith Martin Delinn just lost everything: Her friends, her homes, her social standing - because her husband Freddy cheated rich investors out of billions of dollars. Desperate and facing homelessness, Meredith receives a call from her old best friend, Constance Flute. Connie's had recent worries of her own, and the two depart for a summer on Nantucket in an attempt to heal. But the island can't offer complete escape, and they're plagued by new and old troubles alike.

A sequel to the number one New York Times best seller 28 Summers - Jake McCloud returns to Nantucket for Labor Day weekend 2023, this time without Mallory.  

Erin is a documentary filmmaker on the brink of a professional breakthrough, Mark a handsome investment banker with big plans. Passionately in love, they embark on a dream honeymoon to the tropical island of Bora Bora, where they enjoy the sun, the sand, and each other. Then, while scuba diving in the crystal blue sea, they find something in the water....