Five former sorority sisters, all in their 50s, undertake the adventure of a lifetime when a mysterious invite reunites them at an exclusive resort set on a private island.

Harper Calhoun lives a pretty rarified life. She's the personal confidant of Hollywood's elite. But she does more than rub elbows with them. She helps them make big decisions, gives them advice when they need it, and coaches them on how to deal with the pressures of fame. She's even dating one of the biggest superstars. But when the spotlight turns on her, she's the one who can't deal with the pressure. The risk is too great that the truth about who she really is will be exposed.

At 55, retired professional surfer Emma Cross feels like a shadow of her former self. Once fearless, she now spends her days quietly in the cozy Florida beach town of New Hope. She watches the waves she used to ride and wonders if her best years are behind her. But when siblings Sara and Ben move in next door—Sara with her infectious energy and Ben with his calm, steady presence—they slowly pull Emma out of her shell, reminding her of the woman she used to be and nudging her toward the life she still has ahead of her.

The very moment that Raina Wingate learns her husband of sixteen years wants to separate, she gets a call that her father has suffered a stroke. Racing to her family’s home on Amelia Island, Florida, Raina hopes the time apart will heal her cracked marriage and that she can step into her father’s real estate business and keep it running. Her sister, Tori, a divorcee who owns a catering business in Boston, also flies in to join the others at the hospital. But an unexpected run-in with their father’s rather attractive neurologist adds a new dimension to the days and weeks ahead.

As the older sibling to identical twins Violet and Lily, Cami Porter was always the odd sister out. The divide grew even wider when their parents split up—while the twins stayed in Cape Sanctuary with their free-spirited mother, Rosemary, fourteen-year-old Cami moved to LA with her attorney father. Nearly twenty years later, when Cami gets the terrible news that Lily has drowned saving a child’s life, her mother begs her to return home to help untangle the complicated estate issues her sister left behind.

Once happily married, Jenna Jones is about to turn 40, and this year for her birthday - lucky her - she’s getting a divorce. She’s barely able to support herself and her teenage daughter. Her aging aunt Edie is finding it difficult to keep up her business running The Driftwood Inn, so she invites Jenna to come live with her and run the place. It looks like Jenna’s financial problems are solved! Or not. The town is a little more run-down than Jenna remembers, but that’s nothing compared to the ramshackle state of The Driftwood Inn.

Still grieving the loss of her husband, Maddie retreats to the peaceful isolation of her Aunt Schatzi’s mountain home in the Smoky Mountains hoping for a quiet retreat. Christmas is approaching, but instead of bringing joy, the holiday season brings memories that intensify Maddie’s loneliness. Snowed in and surrounded by a winter wonderland, she begins to confront the grief that has left her feeling stuck in the past, and the strained relationship with her sister that needs to change.

For Grace Dalton, her sister, Sarah, and her cousin Macy, the Devine Doughnut Shop is a sweet family legacy and a landmark in their Texas town. As the fourth generation to run the Double D, they keep their great-grandmother’s recipe secret and uphold the shop’s tradition as a coffee klatch for sharing local gossip, advice, and woes. But drama brews behind the counter, too.

While renowned designer Margaux Sullivan was presenting her highly praised collection during New York City's Fashion Week, her husband was cleaning out their bank account. A week after he disappeared, the bank foreclosed on Margaux's apartment and business. Suddenly broke, betrayed, and humiliated, Margaux has nowhere else to turn to but home: the small coastal town of Crescent Cove, Connecticut, where she once knew love, joy, and family before she put them behind her on the climb to fame.

Caroline Murphy swore she'd never set foot back in the small Southern town of Peachtree Bluff; she was a New York girl born and bred and the worst day of her life was when, in the wake of her father's death, her mother selfishly forced her to move - during her senior year of high school, no less - back to that hick-infested rat trap where she'd spent her childhood summers.

Finley McGowan is determined that the niece she’s raising will always feel loved and wanted. Unlike how she felt after her mom left to pursue a dream of stardom, and when the grandfather who was left to raise them abandoned her and her sister, Sloane, when they needed him most. Finley reacted to her chaotic childhood by walking the straight and narrow—nose down, work hard, follow the rules.

After the death of their mother, sisters Daisy and Beatriz Davenport found a home with their aunt Stella in the beautiful and welcoming town of Cape Sanctuary. They never knew all the dreams that Stella sacrificed to ensure they had everything they’d ever need. Now, with Daisy and Bea grown, it’s time for Stella to reveal the secret she’s been keeping from them - a secret that will change their family forever.

When Eliza Whitney loses both her beloved husband and her high-powered job in the same month, she’s uncertain what the next chapter of her life will look like. At 53, she’s too young to retire and too old to start over. Then her estranged father’s widow contacts her and asks her to come to Sanibel Island to help settle his affairs. Eliza sees the trip to a place called Shellseeker Beach as a distraction from her loss and maybe a way to get some closure on the difficult relationship she'd had with her father.

Samantha Parker is picking up the pieces of her life—and a pen to sign divorce papers—after she finds out her husband has been cheating on her and the other woman is expecting his child. While the idea of leaving town and starting over is appealing, Sam's only option is to head back to her childhood home of Cocoa Beach, Florida, to help her recently widowed mother run their family inn. Can she go home and start her whole life over at forty-three?

Mandy, Emma and Jill O'Toole are as close as three sisters who live hundreds of miles apart can be. They grew up together on Nantucket, but have scattered around the country. When their beloved grandmother passes peacefully in her sleep a week before her ninety-ninth birthday she leaves them quite a surprise. In addition to her Nantucket home, they learn that they've inherited Mimi's Place, one of Nantucket's most popular year-round restaurants. They had no idea that she was the silent owner of a restaurant, and no idea how they're going to handle this kind of inheritance.