As she cleans up the cottage her mother left behind, Clara Hannigan discovers a locked hope chest. Inside is a book that might have the answers to her questions...if she can connect the dots between her mom and a prominent local. Complicating matters is one of Clara's students: a mean girl who has a bone to pick with the Hannigans.

Kate Hannigan's in charge of her late mother's estate, and she has a plan: divide everything evenly, including the old family house on the harbor. What she doesn't realize is that her mother changed the will. Meanwhile, her sister, Amelia, a struggling off-Broadway actress, enlists her hapless construction boyfriend to help with a local project, but he's more interested in summer tourists. Second-youngest, Megan, is preoccupied with her divorce, but not too preoccupied to make a dating profile, much to her sisters' mortification. Baby of the family, Clara, is single, refusing to date.

On the verge of divorce, Megan Hannigan needs a distraction. So, she turns to the sunny tract of farmland left in her mother's will. It's the perfect locale for a budding business, but locals disagree. Only a third party can help navigate this pesky small-town grudge or else Megan's career plan is dead in the water. Meanwhile, Megan's oldest sister, Kate, hosts a grand opening for her newly renovated Heirloom Inn. Everything is going smoothly until her high school sweetheart reveals a disastrous confession.

Janine Potter grew up on the other side of the tracks. Her mother, Nancy, struggled with just about everything—alcohol, men, money—and Janine made a pledge to herself that she would never be like her. At age nineteen, Janine met Jack Potter, the son of an oil tycoon, and never looked back. Her life became a series of cocktail parties and multi-million-dollar apartments all across the world, and rubbing elbows with celebrities. Slowly, memory of her mother faded, although the trauma never really did.

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.

Susan Sheridan knows Martha’s Vineyard like the back of her hand. She grew up there as the eldest of the three Sheridan Sisters, their father the longtime owner of the Sunrise Cove Inn in Oak Bluffs. The Inn, the water, the sun all spun with laughter, and love, with the most important people—her family and friends. It was her glittering, perfect life—until it wasn’t. Tragedy struck over twenty years ago, and Susan has hardly said a word to her sisters or her father or anyone else she ever loved. Not until now.

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.

When Autumn Carpenter stumbles upon the social media account of the family who adopted her infant daughter years ago, she finds herself instantly drawn into their picture-perfect existence. From behind a computer screen, Autumn watches Grace's every memory, from birthdays to holidays to bedtime snuggles. But what starts as an innocent fascination soon spirals into an addictive obsession that comes to a screeching halt the day the McMullen family closes their Instaface account.

When Emily’s fiancé walks out on her while she’s still grieving the loss of her family in a terrible accident, she escapes back to Hope Haven on the remote Dune Island, where her family vacationed every summer. Emily hopes that fixing up the house will also mend her broken heart, but the cottage holds more than just bittersweet childhood memories. Emptying her father’s antique writing desk, Emily finds a letter that reveals a devastating secret about her parents.

Lisa Hodges needs to make a decision fast. Thanks to her dead husband’s gambling addiction, their savings is almost gone...Her only options are to sell the house and move off-island, or, she could use her cooking and entertaining skills and turn her home into a bed and breakfast. Come visit Nantucket and see how Lisa's new bed and breakfast has an impact on almost everyone in her family.

When her twenty-two-year-old stepdaughter announces her engagement to her pandemic boyfriend, Sarah Danhauser is shocked. But 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. Sarah might be worried, but Veronica is thrilled to be bringing the family together one last time before putting the big house on the market. But the road to a wedding day usually comes with a few bumps

After the death of a childhood loved one, five best friends reunite in the small coastal town of Five Island Cove. One doesn't expect to find love with a high school crush. Another isn't prepared to find the strength she needs to take control of her life. And none of them are ready for the secrets they'll uncover at the lighthouse.

Olivia Kaspen has just discovered that her ex-boyfriend Caleb Drake has lost his memory. With an already lousy reputation for taking advantage of situations, Olivia must decide how far she is willing to go to get Caleb back.

As a teenager, Archie Noblesse clawed his way out of the poverty, heartache, and abuse of the reservation and left his family behind. Desperate to shake the shadow of his past, he reinvents himself as Archer Noble, an outspoken blogger and controversial author who lives only for himself. But when his beloved sister dies, Archer is saddled with guardianship of his niece and nephew.

A year ago, Lydia became a widow at 38 when she lost her beloved husband to cancer, and despite the support of her friends and her teenage daughter Holly, she’s had a hard time moving on from the loss. She feels stuck, uncertain of how to carry out her husband’s final wish that she do something that scares her. Angela Collins has what seems like the perfect life - a beautiful little boy, a loving husband, and a good career. But that all comes crumbling down.