In the middle of an awful divorce, 53-year-old Georgia Carpenter finds herself out of luck, time, and money. Then her phone rings with the news that her great aunt has died and left her a cottage in the Gulf Coast town of Blackbird Beach. Georgia has no idea what awaits her on the other coast of Florida. All she knows is that she has nowhere else to go. And no reason to stay where she is.

When the unthinkable happens, and Claire Thompson's husband dies suddenly, she's left wondering how to go on. Being a wife and mother is all she's ever known. Grieving and lost, she decides to take her family for one last trip to their beach house before she's forced to put it up for sale. The house is filled with happy memories, and it seems like a great way to remember Bryan.

When Eliza Whitney loses both her beloved husband and her high-powered job in the same month, she’s uncertain what the next chapter of her life will look like. At 53, she’s too young to retire and too old to start over. Then her estranged father’s widow contacts her and asks her to come to Sanibel Island to help settle his affairs. Eliza sees the trip to a place called Shellseeker Beach as a distraction from her loss and maybe a way to get some closure on the difficult relationship she'd had with her father.

Five former sorority sisters, all in their 50s, undertake the adventure of a lifetime when a mysterious invite reunites them at an exclusive resort set on a private island.

The last thing Beck Foster wants to do is attend a party for her estranged aunt in the Florida Keys. One month earlier, Beck’s seemingly ideal existence imploded when her husband of 34 years announced he was leaving her. Now, so she has to sell her house, get a job, and somehow put her broken heart and life back together. She can’t do all that if she runs off to visit a woman she barely remembers. Or can she? Accompanied by her grown daughter who also longs for an escape, Beck heads to Coconut Key, where she’d lived the earliest years of her life.