With her divorce settlement about to run out and a mortgage she can’t afford, Robyn Caldwell needs a plan for her future. She nurtured her family and neglected herself. But how’s she supposed to think when her daughter has become the most demanding bride ever, her son won’t even consider college, her best friend is on the brink of marital disaster and her ex is making a monumentally bad decision that could bring everything crashing down on Robyn’s head? 

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. 

Lillie Silva knew life as an empty nester would be hard after her only child left for college, but when her husband abruptly dumps her for another woman just as her son leaves, her world comes crashing down. Besides the fact that this announcement is a complete surprise (to say the least), what shocks Lillie most is that she isn't...heartbroken. She's furious. Lillie has loved her life on Cape Cod, but as a mother, wife and nurse-midwife, she's used to caring for other people...not taking care of herself. 

Harry Booth started stealing at nine to keep a roof over his ailing mother’s head, slipping into luxurious, empty homes at night to find items he could trade for precious cash. When his mother finally succumbed to cancer, he left Chicago—but kept up his nightwork, developing into a master thief with a code of honor and an expertise in not attracting attention—or getting attached. Until he meets Miranda Emerson, and the powerful bond between them upends all his rules. But along the way, Booth has made some dangerous associations, including the ruthless Carter LaPorte.

Anna McNichol knows how to take charge. Raised by a single mother, she’s worked to ensure her three children have every advantage she didn’t. And while her marriage has its problems, she values commitment and believes in "till death do us part". Now an empty nester, she’s at the peak of her career and ready to seize the opportunity to focus on her future. But life can change in an instant, and when her husband dies suddenly, Anna’s carefully constructed world falls apart. 

Life is meant to be savored, but that’s not easy with no family, limited prospects, and a past you’d rather not talk about. Still, Callie Smith doesn’t know how to feel when she discovers she has a brother and a sister - Malcolm, who grew up with affection, wealth, and privilege, and Keira, a streetwise 12-year-old. Despite her trepidation, she moves into the grand family home with her siblings and grandfather on the shores of Lake Washington, hoping just maybe this will be the start of a whole new life. But starting over can be messy.

Some heartbreaks hit harder than others. For Shaye Harper, the last one was so bad she swore off men for good. Wishing Tree, Washington, was supposed to be a pit stop on the road to a fresh start, but Shaye is swiftly drawn in by the quirky small town’s celebrations - and a handsome stranger she can’t resist.

Twenty-six years after that amazing summer, Ariel, Sheila, Wyatt, and Nick reunite at the hotel where they first met. Now it’s called The Lighthouse and Nick owns the entire operation with his wife and daughter. Ariel and Wyatt, married for decades, arrive with their son, and Sheila’s back too, with her daughter by her side. Life hasn’t exactly worked out the way they had all hoped.

Less than a week before the society wedding of the year where Jacqueline Bouvier will marry John F. Kennedy, Jr, a pipe bursts at Ann Lowe’s dress shop and ruins 11 dresses, including the expensive wedding dress, a dress that will be judged by thousands. A Black designer who has fought every step of the way, Ann knows this is only one struggle after a lifetime of them. She and her seamstresses will find the way to re-create the dresses. It may take all day and all night for the next week to accomplish the task, but they will do it.

For 30-year-old Frankie Simon, selling movie memorabilia in the shop she opened with her late mother on Hollywood Boulevard is more than just her livelihood - it’s an enduring connection to the only family she has ever known. But when a mysterious package arrives containing a photograph of her mother and famous movie stars Glory Cartwright and her husband at a coastal film festival the year before Frankie’s birth, her life begins to unravel in ways unimaginable.

Mackenzie Dienes seems to have it all — a beautiful home, close friends and a successful career as an elite winemaker with the family winery. There’s just one problem — it’s not her family, it’s her husband’s. In fact, everything in her life is tied to him — his mother is the closest thing to a mom that she’s ever had, their home is on the family compound, his sister is her best friend. So when she and her husband admit their marriage is over, her pain goes beyond heartbreak. She’s on the brink of losing everything. 

Once upon a time, when her dad married Sage’s mom, Daisy was thrilled to get a bright and shiny new sister. But Sage was beautiful and popular, everything Daisy was not, and she made sure Daisy knew it. Sage didn't have Daisy's smarts—she had to go back a grade to enroll in the fancy rich-kid school. So she used her popularity as a weapon, putting Daisy down to elevate herself. After the divorce, the stepsisters' rivalry continued until the final, improbable straw: Daisy married Sage's first love, and Sage fled California.

Single mom Ellen Fox couldn’t be more content - until she overhears her son saying he can’t go to his dream college because she needs him too much. If she wants him to live his best life, she has to convince him she’s living hers. So Unity Leandre, her best friend since forever, creates a list of challenges to push Ellen out of her comfort zone. Unity will complete the list, too, but not because she needs to change. What’s wrong with a 30-something widow still sleeping in her late husband’s childhood bed?

When her 22-year-old stepdaughter announces her engagement to her pandemic boyfriend, Sarah Danhauser is shocked. But the wheels are in motion. 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. When the wedding day arrives, lovers are revealed as their true selves, misunderstandings take on a life of their own, and secrets come to light.

Abbie Fox hasn’t seen her father or two younger sisters in almost two years, during which she’s jetted around the world and experienced life, if not love. But now Lily, the baby of the family, is sending Abbie urgent emails begging her to return home to Nantucket. Their middle sister, Emma, has taken to her bed, emotionally devastated after the loss of her high-powered stockbroker’s job and a shockingly unexpected break-up with her fiancé.