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.

Divorced empty-nester Becky Linden wants a fresh start. After two decades away, she returns to her hometown to find herself. What she discovers instead is the long-abandoned schoolhouse where she had her first kiss as a teenager. Others might see an eyesore, but Becky sees the neglected building as a charming business opportunity and…her future. However, she can’t do it on her own. The one man who can help her is the last one she ever thought she’d ever ask — her ex-boyfriend.

Years ago, the day before Ellie moved from Georgia to California, she and her best friend, Nolan, sat beneath the Spanish moss of an ancient oak tree where they wrote letters to each other, and sealed them in a rusty old metal box. The plan was to return 11 years later and read them. But now, as that date arrives, much has changed. Ellie, bereft of the faith she grew up with, is a single mom living in a tired apartment trying to make ends meet. Sometimes she watches television to catch a glimpse of her old friend - Nolan, now an NBA star, whose terrible personal tragedies fueled his faith and athletic drive in equal measure.

Coldly dismissed from her relationship and her home in Arizona, Poppy Marsh leaves her past behind and finds a remote ranch house for rent. All she wants to do is finish her thesis and pull the pieces of her broken life back together. After Colton Gunnerson's search for rodeo fame crashes to the ground, saving his family ranch is the only future he has left. If he fails, he could lose more than his home and his family. He could lose the only woman he's ever cared for.

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.