Heather is happy . . . ish. She has a successful business, a cute but contemptuous cat, and best friends Daphne and Tori who know where she’s broken and love her anyway. So why does she feel crushed when her ex gets serious about someone new? No problem, she has a plan. More connections will hold her together while her world falls apart, so she finally reaches out to the stranger who might be her dad.

When fate brings three strangers to a charming space for lease on the California coast, the Boardwalk Bookshop is born. Part bookstore, part gift shop, part bakery, it's a dream come true for Bree, Mikki and Ashley. But while their business is thriving, their personal lives are…not. Bree, wounded by brilliant but cold parents and her late husband's ultimate betrayal, has sworn to protect her heart at all costs. Even from Ashley's brother, a writer and adventurer who has inspired millions.

Besties Laurel and Paris are excited to welcome Cassie to the group. This year, the book club is all about fill-your-heart reads, an escape from the chaos of the everyday—running a business, raising a family, juggling a hundred to-dos. Even the dog is demanding. Since Laurel’s divorce, she feels like the Worst Mom Ever. Her skepticism of men may have scarred her vulnerable daughters. Cassie has a habit of falling for man-boys who dump her once she fixes them. Paris knows good men exist. She’s still reeling after chasing off the only one brave enough—and foolish enough—to marry her.

Single mom Robyn Caldwell needs a new plan for her future. She has always put her family first. Now, with her kids grown, she yearns for a change. But what can she do 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 ruin 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.

Nicole Lord wants to be a good wife, but there's a difference between being supportive and supporting her husband, who quit his job to write a screenplay she's never seen. He won't even help take care of their son, leaving Nicole to run the house and work full-time at her Mischief Bay Pilates studio. Can she say enough is enough without losing the man she loves?

As the owner of Twisted, Seattle’s best salons, Erica knows that the sharpest cuts come from the people we love. She’s terrified that she’s losing her teen daughter, Summer, to her “other” family. Summer disdains Erica’s career as shallow, and she's growing close to her stepmom, Allison. All it takes to blow up Allison’s happy life is one collect call. From prison. Her beloved husband, Peter, has been arrested, leaving Allison pregnant, scared and alone with a toddler, with no money for rent or, hey, food.

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?

Julie Parker’s kids are her greatest gift. Still, she’s not exactly heartbroken when they ask to skip a big Christmas. Her son, Nick, is taking a belated honeymoon with his bride, Blair, while her daughter, Dana, will purge every reminder of the guy who dumped her. Again. Julie feels practically giddy for one-on-one holiday time with Heath, the (much) younger man she’s secretly dating. But her plans go from cozy to chaotic when Nick and Dana plead for Christmas at the family cabin in memory of their late father, Julie’s ex.

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.

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.

The Somerville sisters believe in love, but they’ve lost faith it will happen for them. Reggie hasn’t been home since the end of the world’s shortest engagement. When her parents decide to renew their vows, she buffs up her twinkle to help with the Christmas wedding. Unexpectedly, Toby, her first love, is back too, and the spark between them shines as brightly as ever. In the spirit of the season, will they let go of past hurts and greet the New Year together?

Finola, a popular LA morning-show host, is famously upbeat until she’s blindsided on live TV by the news that her husband is sleeping with a young pop sensation. While avoiding the tabloids and pretending she’s just fine, she’s crumbling inside. Zennie’s breakup is no big loss. Although the world insists she pair up, she’d rather be surfing. So agreeing to be the surrogate for her best friend is a no-brainer. Ali is used to being overlooked, but when her fiancé sends his disapproving brother to call off the wedding, it’s a new low.

Joan Sample is not living the life she expected. Now a widow and an empty-nester, she has become by her own admission something of a recluse. But after another birthday spent alone, she is finally inclined to listen to her sister, who has been begging Joan to reengage with the world. With Emmie’s support, Joan gathers the courage to take some long-awaited steps: hiring someone to tame her overgrown garden, joining a grief support group, and even renting out a room to a local college student. Before long Joan is starting to feel a little like herself again.

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.