Artist Dana Underhill has always been a free spirit, traveling the world, filling her canvases with the mysterious colors of the seas she and her sister have sailed since childhood. Then on a calm, moonlit night an inexplicable “accident” occurs and Dana is called home to Hubbard’s Point to become a mother to her two young nieces, a challenge unlike any she’s ever known. As Dana and the girls struggle to begin a new life - and to find the truth about what happened to Dana’s sister and brother-in-law - help comes in the person of an old childhood friend.

Sarah Talbot never thought she'd live to see another birthday. But through indomitable will and expert medical care, she has beaten the cancer and reopened her bedding boutique, Cloud Nine. In celebration, Sarah's friends give her a special present: a ride over her upstate New York town in a chartered plane. It is on this flight that Sarah meets Will Burke, a former Navy pilot, whose outward confidence hides the wounds he has yet to heal.

Painter Honor Sullivan has made a life for herself and her three daughters–Regis, Agnes, and Cecilia–at Star of the Sea Academy on the magical Connecticut shore. Here she teaches art at the convent school’s beautiful seaside campus, over which Honor’s sister-in-law, mother superior Bernadette Ignatius, keeps a benevolent and watchful eye. No one could have foreseen the day rebellious Regis would come home with the stunning news that she was getting married. Nor could anyone have guessed how that sudden announcement would soon change all their lives forever.

Anne Davis has returned to the house where she grew up, trading her glamorous Manhattan lifestyle for a harsh winter on a wind-whipped New England island. Her marriage has crumbled in the wake of a tragic accident. Now she has returned to the home on Salt Whistle Raod that has always meant shelter, security, family, and love.

Jane Porter left the apple orchards of rural Twin Rivers, Rhode Island, years ago, fleeing memories that could tear two families apart. Now she has been unexpectedly drawn home to her mother and only sister. Dylan Chadwick has come back, too, shedding the steely exterior he wore as a federal agent in order to follow in the footsteps of his apple-farming father and forget the life he once lived. Amid this landscape of loss and renewal, a haunting story of converging lives, small-town secrets—and the magical sway of unexpected miracles—unfolds.

Painter Honor Sullivan has made a life for herself and her three daughters, Regis, Agnes, and Cecilia, at Star of the Sea Academy on the magical Connecticut shore. Here she teaches art at the convent school's beautiful seaside campus, over which Honor's sister-in-law, mother superior Bernadette Ignatius, keeps a benevolent and watchful eye. No one could have foreseen the day rebellious Regis would come home with the stunning news that she was getting married.

Being a good mother is never simple: each day brings new choices and challenges. For Diane Robbins, being a devoted single mother has resulted in her greatest joy and darkest sorrow. Weeks before her daughter was born, she and her husband, Tim McIntosh, received the news that every parent fears. Tim had not reckoned on their child being anything less than perfect, and abruptly fled to a solitary existence on the sea. Diane was left with a newborn - almost alone.

Beneath his controlled demeanor, attorney John O’Rourke is a man in turmoil. Since the death of his wife, he has been juggling the rigors of a controversial capital murder case and the demands of raising two children. As 11-year-old Maggie and 14-year-old Teddy long for the past, they must also contend with the hostility that swirls around them since their father took on the defense of a despised killer - including a brick through their window one autumn morning.

Years ago, Beth Lathrop and her sister Kate suffered what they thought would be the worst tragedy of their lives the night both the famous painting Moonlight and their mother were taken. The detective assigned to the case, Conor Reid, swore to protect the sisters from then on. Beth moved on, throwing herself fully into the art world, running the family gallery, and raising a beautiful daughter with her husband Pete. Kate, instead, retreated into herself and took to the skies as a pilot, always on the run.

Emily Lonergan's best friend died last year. And Emily hasn't stopped grieving. Lizzie Porter was lively, loud, and fun - Emily's better half. Emily can't accept that she's gone. When Lizzie's parents and her sister come back to town to visit, Emily's heartened to see them. The Porters understand her pain. They miss Lizzie desperately, too. Desperately enough to do something crazy. Something unthinkable. Suddenly, Emily's life is hurtling toward a very dark place - and she's not sure she'll ever be able to return to what she once knew was real.

After her parents perish in a tragic accident, Cosima Saverio assumes leadership of her family's haute couture Italian leather brand. While navigating the challenges of running a company at twenty-three, Cosima must also maintain the four-hundred-year-old family palazzo in Venice and care for her younger siblings. Cosima navigates her personal and professional challenges with a wisdom beyond her years, but her success has come at a cost: Her needs are always secondary. She's married to the business, and her free time is given to those who rely on her . . . until she meets Olivier Bayard.

In the summer of 1977, Victoria Leonard’s world changes forever when Caitlin Somers chooses her as a friend. Dazzling, reckless Caitlin welcomes Vix into the heart of her sprawling, eccentric family, opening doors to a world of unimaginable privilege, sweeping her away to vacations on Martha’s Vineyard, an enchanting place where the two friends become “summer sisters”. Now, years later, Vix is working in New York City. Caitlin is getting married on the Vineyard. And the early magic of their long complicated friendship has faded.

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.

As the head of a prestigious movie studio for nearly two decades, Andy Westfield has had every conceivable professional luxury: a stunning office on the forty-fourth floor, a loyal assistant who can all but read his mind, access to a private jet and company cars. The son of Hollywood royalty, Andy always put his career before his marriage, and now, besides his daughter and young grandchildren, it’s the only thing he truly loves. But then Andy’s world is upended. The studio is sold, and the buyer’s son demands the top seat. Out of a job and humiliated, Andy spirals.

Faith Ferguson is New York's most in-demand wedding planner, an arbiter of taste for elegant affairs, lavish ceremonies, and exclusive fêtes. She appreciates a simple celebration as much as a dazzling event, for she knows that a dream wedding is not necessarily the most expensive one. As much as Faith enjoys her work, her two failed engagements leave her with no desire to get married herself. She finds fulfillment in her close relationship with her twin sister, Hope, her role as a mentor for her assistant, Violet, and her career.