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.

Celebrity cooking show host Marni McGuire has seen it all. She’s been married—twice—and widowed and divorced. Now in her mid-fifties, she’s single. Happily so. She just needs to convince her pregnant daughter, Bella, of this fact. And maybe convince herself, too. Especially after Marni’s efforts to humor her determined daughter result in a series of disastrous dates that somehow prompt Marni to wonder if maybe the right man for her is still out there after all.

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.

A kid walks into your bookstore and says to you, Guess what? I'm your son. The one you put up for adoption seventeen years ago. The one you never told anyone about. Surprise! His name is Matthew Walker, and he's come to spend the summer on the Cape with his parents. Why? Well, he wants to meet you before he heads off to college in the fall. Tiny detail—he didn't tell his adoptive parents about his plan. And while you hoped this day would come someday, you're so stunned, you actually faint.