After Tova Sullivan’s husband died, she began working the night shift at the Sowell Bay Aquarium, mopping floors and tidying up. Keeping busy has always helped her cope, which she’s been doing since her eighteen-year-old son, Erik, mysteriously vanished on a boat in Puget Sound over thirty years ago. Tova becomes acquainted with curmudgeonly Marcellus, a giant Pacific octopus living at the aquarium. Marcellus knows more than anyone can imagine but wouldn’t dream of lifting one of his eight arms for his human captors—until he forms a remarkable friendship with Tova.

Nora Stephens' life is books—she’s read them all—and she is not that type of heroine. Not the plucky one, not the laidback dream girl, and especially not the sweetheart. In fact, the only people Nora is a heroine for are her clients, for whom she lands enormous deals as a cutthroat literary agent, and her beloved little sister Libby.

Sous chef Aimee Tierney has the perfect recipe for the perfect life: marry her childhood sweetheart, raise a family, and buy out her parents’ restaurant. But when her fiancé, James Donato, vanishes in a boating accident, her well-baked future is swept out to sea. Instead of walking down the aisle on their wedding day, Aimee is at James’s funeral - a funeral that leaves her more unsettled than at peace.

Best friends Lexi Laney and Clare Hart shared idyllic girlish adventures all over Nantucket Island, spending much of their time at their secret hideaway, Moon Shell Beach, a magical place where they remade the world. In the less innocent world of adults, the estranged soul mates struggle to recapture the feelings of bliss.

Olivia Shields is back in Carlisle Bay, Connecticut, after having traveled the world as a professional ballet dancer. Dancing was her life. Chasing performance dreams is all she's ever known or planned for. One summer she spent in Carlisle Bay before heading to Juilliard left her both heartbroken and more focused on her career than ever. A back injury has forced some changes. She'll take on a new role as the manager of her aunt's coastal boutique. After all, she's completely over the boy who broke her heart forever ago.

Summer has just begun, and fear is in season. School’s out, and the faculty at Fairington Elementary School are free for the summer. Emily Young can’t deny her attraction to Aaron Jackson, the ed tech from her classroom, but she’s afraid of being hurt again. Meanwhile, Aaron is determined not to let his phobia of drowning prevent him from enjoying the sun and the sand of Maine’s best beach town. But they’re about to learn real fear. Fairington is home to a monster.

Maddie Kinkaid believes her late husband, Jack, gives her advice on everything - from ordering a pizza to hiring a carpenter. When she finds Caleb Walker's business card on Jack's desk, she's convinced that he's the guy to remodel her kitchen. He can't decide if she's worth the risk. Caleb is a single father, and protecting his young son means avoiding romantic entanglements. But there's heat in every kitchen, and sparks ignite between Caleb and Maddie - until disaster strikes. When Jack goes silent, it looks as if she and Caleb will never find their happily-ever-after. At least, not without a little help from Jack.

Jared Connor lost his innocence at the age of 10 when his father poured gasoline around the family home and left his two young sons to die in the flames. Now an adult, he's carefully crafted a pretend life where he can hide his scars and his death row father behind the disguise of a caretaker's pickup truck and a pair of gardening shears. But when a beautiful woman with scars of her own barges into his quiet, solitary life, Jared finds it increasingly difficult to hide from what he really wants.

Caretta Rutledge thought she’d left her Southern roots and troubled family far behind. But an unusual request from her mother – coming just as her own life is spinning out of control – has Cara heading back to the scenic Lowcountry of her childhood summers. Before long, the rhythms of the island open her heart in wonderful ways as she repairs the family beach house, becomes a bona fide “turtle lady” and renews old acquaintances long thought lost.

Thea Landry has always known her place in modern-day society. It's somewhere just above the trash can her mother dumped her in as a newborn, but below the class where much comes easy. With her tattered shoes and bargain-bin clothes, her life has never been full of glamour. So when a rich and charismatic man takes interest, she doesn't fool herself into thinking their encounter is anything more than a one-night stand. Months later, she's kicking herself for not getting his phone number. Or his last name. She's given up hope of seeing him ever again.

I have something for you. When Quinn Cruz receives that cryptic text message from her older sister Nora, she doesn't think much of it. They haven't seen each other in nearly a year. But when a haunted Nora shows up at the lake near Quinn's house just hours later, a chain reaction is set into motion that will change both of their lives forever. Nora's "something" is more shocking than Quinn could have ever imagined: a little girl, cowering, wide-eyed, and tight-lipped. Nora hands her over to Quinn with instructions to keep her safe, and then Nora disappears.

At thirty-five, Mika Suzuki’s life is a mess. Her last relationship ended in flames. Her roommate-slash-best friend might be a hoarder. She’s a perpetual disappointment to her traditional Japanese parents. And, most recently, she’s been fired from her latest dead-end job. Mika is at her lowest point when she receives a phone call from Penny—the daughter she placed for adoption sixteen years ago. Penny is determined to forge a relationship with her birth mother, and in turn, Mika longs to be someone Penny is proud of. Faced with her own inadequacies, Mika embellishes a fact about her life.

When they meet as girls on a beach in Nantucket, Maggie McIntyre and Emily Porter become fast friends - though Emily’s well-heeled mother would prefer that she associate with the upscale daughters of bankers and statesmen rather than the child of a local seamstress. But the two lively, imaginative girls nevertheless spend many golden summers together building castles in the sand, creating magical worlds of their own, and forging grand plans for their future.

When single mother Annie Malone purchases a quirky Main Street café on Heron Island, she thinks she's finally turned her dream of opening her own restaurant into a reality. Hearing rumors that a developer is about to build a five-star resort on the sleepy Chesapeake Bay island, she plans to transform the café into a premier upscale bistro. But Annie's life is about to get a lot more complicated.

Jane Ellison is a “super recognizer” able to identify strangers by the slightest facial details - the curve of a head, the arch of an eyebrow. When she spies human rights activist and heiress Bella Valencia in a crowded Boston airport, Jane’s convinced she’s found the person responsible for her sister Kit’s disappearance and presumed death 11 years earlier. But her attempt to detain the suspect ends with Jane herself fired and humiliated.