Marin Bishop has always played by the rules, and it's paid off: On the cusp of 30, she has a handsome fiancé, a prestigious Manhattan legal career, and her father's hard-won admiration. But with one careless mistake at work, Marin suddenly finds herself unemployed and alone. Before she can summon the courage to tell her parents, a young woman appears, claiming to be Marin's half sister. Seeking answers, Marin agrees to join her on a soul-searching journey to Cape Cod, to meet the family she didn't even know she had.

Summer has started in idyllic Sag Harbor, and for Emma Mapson that means greeting guests at the front desk of The American Hotel. But when one of the town's most famous residents, artist Henry Wyatt, dies suddenly, Emma learns he has mysteriously left his waterfront home - a self-designed masterpiece filled with his work - to her teenage daughter, Penny. In Manhattan, legendary art patron Bea Winstead's grief at her lifelong friend and former business partner Henry's passing turns to outrage, and she descends on Sag Harbor determined to reclaim the house and preserve Henry's legacy.

For decades, the Hollander Estates winery has been the premier destination for lavish parties and romantic day trips on the North Fork of Long Island. But behind the lush vineyards and majestic estate house, the Hollander family fortunes have suffered and the threat of a sale brings old wounds to the surface. For matriarch Vivian, she fears that this summer season could be their last - and that selling their winery to strangers could expose a dark secret she's harbored for decades.

Ruth Cooperman arrives in beautiful beachside Provincetown for her retirement, renting the perfect waterfront cottage while she searches for her forever home. After years of hard work and making peace with life's compromises, Ruth is looking forward to a carefree summer of solitude. But when she finds a baby girl abandoned on her doorstep, Ruth turns to her new neighbors for help and is drawn into the drama of the close-knit community. The appearance of the mystery baby has an emotional ripple effect through the women in town.

The Pavlin family built an empire on love. As the first jewelers to sell diamond rings exclusively for proposals, they started a tradition that has defined engagements ever since. But when an ill-fated publicity stunt pits the three Pavlin sisters against one another for a famous family jewel, their bond is broken. No ordinary diamond ring, the Electric Rose splinters the sisters, leaving one unlucky in love, one escaping to the shores of Cape Cod, and the other, ultimately, dead. Now, over a decade later, Gemma Maybrook is still reconciling the reality of her mother's death.

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.

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.

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.

Louisa has come to her parents’ house in Maine this summer with her three kids, a barely written book that has a looming deadline, and a trunkful of resentment. Louisa is hoping the crisp breeze will blow away her irritation for her life choices and replace it with enthusiasm for both her family and her writing. But all isn’t well in Maine. Louisa’s father, a retired judge and pillar of the community, is suffering from Alzheimer’s. Louisa’s mother is alternately pretending everything is fine and not pretending at all.

High-school sweethearts Mac and Edie Swan lead a seemingly picture-perfect life in the sleepy-sweet community of Oak Hill, near Mobile, Alabama. Edie is a respected interior designer, Mac is a beloved pediatrician, and they have two great kids and a historic home on tree-lined Linden Avenue. From the outside, the Swan family is the definition of “the good life”. And life is good—mostly. Until a young woman walks into Mac’s office one day. A young woman whose very existence threatens all Mac and Edie have built and all they think they know about each other.

It’s summertime on the North Carolina coast and the livin’ is easy. Unless, that is, you’ve just lost your mother to cancer, your sister to her extremist husband, and your husband to his executive assistant. Meet Gray Howard. Right when Gray could use a serious infusion of good karma in her life, she inadvertently gets a stranger, Diana Harrington, fired from her job at the local pharmacy. Diana Harrington’s summer isn’t off to the greatest start either: Hours before losing her job, she broke up with her boyfriend and moved out of their shared house.

Harriet and Wyn have been the perfect couple since they met in college—they go together like salt and pepper, honey and tea, lobster and rolls. Except, now—for reasons they’re still not discussing—they don’t. They broke up five months ago. And still haven’t told their best friends. Which is how they find themselves sharing a bedroom at the Maine cottage that has been their friend group’s yearly getaway for the last decade.

Clare Wilson is starting over. She's had it with her marriage to a charming serial cheater. Even her own son thinks she's given his father too many chances. With the support of her sisters, Maggie and Sarah, she's ready to move on. Facing her fortieth birthday, Clare is finally feeling the rush of unadulterated freedom. But when a near-fatal car accident lands Clare in the hospital, her life takes another detour. While recovering, Clare realizes she has the power to choose her life's path. With enthusiasm and a little envy, her sisters watch her bloom.

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.

Gerri can't decide what's more devastating: learning her rock-solid marriage has big cracks, or the anger she feels as she tries to repair them. Always the anchor for friends and her children, she realizes it's time to look carefully at herself. The journey is more than revealing—it's transforming. Andy has come to believe that a lasting love is out of reach. When she finds herself attracted to a man without any of the qualities that usually appeal to her, she questions everything she thought she wanted in life.

Daphne Mitchell has always believed in cause and effect, right and wrong, good and bad. The good: her dream job as a doctor; Owen, her childhood sweetheart and now husband; the beautiful farmhouse they're restoring together. In fact most of her life has been good - until the day Owen comes home early from work to tell her he's fallen head over heels for someone else.

In the wake of his wife's murder, agent Grady Shields turned his back on the FBI - and everything else-to retreat into the vast solitude of Montana, grieve for his lost love, and forget the world. But after years in seclusion, his sister's wedding draws him to St. Dennis, a peaceful town on the Chesapeake Bay. Though he swears he isn't interested in finding love again, Grady can't ignore the mutual sparks that fly when he meets Vanessa Keaton.

Alison arrives at the beach house in June to spend a month with her restless grandson before he leaves for his freshman year in college. Over a decade before, Alison lost her beloved husband, and has faced life alone ever since. Now she discovers a new life, and possible new love. August brings together four college friends facing a milestone. Across summer's final days, they share laughter, tears, and love-revealing long-held secrets and creating new and even more powerful bonds.

In the small seaside town of Palmetto Beach, the Sheffield sisters – responsibly Riley, vivacious Maisy, and fun-loving Adalee – reunite to celebrate their mother’s birthday and try to save the family bookstore, which has long been a beloved gathering place in their tight-knit community. But June also marks the return of Mack Logan, who 13 years ago was Riley’s best friend and Maisy’s teenage crush.

In a lovely suburban town just north of New York City, the gossip mill runs more efficiently than the commuter-train line. And in every impeccably decorated house, they're talking about Lauren Walsh. They say that nothing could be worse than being abandoned by your husband for another woman. They're wrong.

Preservationist Meri Hollis loves her latest project, restoring one of Newport's forgotten Gilded Age mansions. And with summer approaching, she'll be able to spend more time with her Gran on the Rhode Island shore. She has a great job, a loving family and she's pretty sure her boyfriend is going to propose on her thirtieth birthday. But everything Meri believes about family, happiness, truth, and love is shattered when her family's darkest secret is exposed.

When a car accident leaves photographer Burke Crenshaw in need of temporary full-time care, he finds himself back in the one place no forty-year-old chooses to be--his childhood bedroom. There, in the Vermont home where he grew up, Burke begins the long process of recuperation, and watches as his widowed father finds happiness in a new relationship that's a constant reminder of everything Burke wants and lacks. Exploring local history, Burke discovers an intriguing series of letters from a Civil War soldier to his fianc.

From behind the wheel of her car, Tess Kincaid glimpses a woman walking down a Madison, Wisconsin, street. They've never met, but Tess sees the same features every time she looks in the mirror. Tess introduces herself and discovers that she and her doppelganger, Mimi, have more than appearance in common. They even share the same birthday. Mimi - confident and outgoing where Tess is understated and shy - is convinced they're twins, separated shortly after birth. When a body is discovered in a local marsh, Tess is entangled in a search for the truth....

Marriage counselor Paige Reinhardt is counting down the days to summer, eager to reconnect with her workaholic husband at their cozy rental cottage in the Hamptons. But soon a mysterious crisis at Dave's work ruins their getaway plans. Paige is still figuring out how to handle the unexplained chill in her marriage when her troubled sister suddenly returns after a two-decade silence. Now, instead of enjoying the lazy summer days along the ocean, Paige is navigating the rocky waters of a forgotten bond with her sister in the sweltering city heat.

Filled with wit and heart, Get Lucky by Katherine Center explores the deep bonds of sisterhood. Sarah Harper’s whole world revolved around her job at a New York advertising agency before an email snafu got her fired. Now she’s seeking refuge at her sister Mackie’s home in Houston. But Mackie, who’s unable to get pregnant, is also down-and-out these days. So Sarah decides to do something good and becomes a surrogate mother.

Michelle Sanderson may appear to be a strong, independent woman, but on the inside, she’s still the wounded girl who fled home years ago. A young army vet, Michelle returns to the quaint Blackberry Island Inn to claim her inheritance and recover from the perils of war. Instead, she finds the owner’s suite occupied by the last person she wants to see. Carly Williams and Michelle were once inseparable, until a shocking betrayal destroyed their friendship. And now Carly is implicated in the financial disaster lurking behind the inn’s cheerful veneer.

After tirelessly climbing the ranks of her Chicago-based interior design firm, Lane Kelley is about to land her dream promotion when devastating news about her brother draws her back home - a quaint tourist town full of memories she'd just as soon forget. With her cell phone and laptop always within reach, Lane aims to check on her brother while staying focused on work - something her eclectic family doesn't understand.

Our love story is simple. I met a gorgeous woman. We fell in love. We had kids. We moved to the suburbs. We told each other our biggest dreams and our darkest secrets. And then we got bored. We look like a normal couple. We're your neighbors, the parents of your kid's friend, the acquaintances with whom you keep meaning to get dinner. We all have our secrets to keeping a marriage alive. Ours just happens to be getting away with murder.

Twenty years ago Emma Michaels, Mackenzie Hayes, and Serena Stockton bonded over their New York City dreams. Then, each summer, they solidified their friendship by spending one week at the lake together, solving their problems over bottles of wine and gallons of ice cream. They kept the tradition for years, until jealousy, lies, and life's disappointments made them drift apart. It's been five years since Emma has seen her friends, an absence designed to keep them from discovering a long-ago betrayal. Now she's in desperate need of their support.

When new next-door neighbors Georgia, Midge, and Lula first assembled on Georgia's porch in Charleston for sweet tea, they couldn't have known their gathering was the beginning of a treasured tradition. For 26 years they have met on Tuesdays at four o'clock, watching the seasons change and their children grow up, supporting each other in good times and in bad. With their ambitions as different as their personalities, these best friends anticipate many more years of tea time.