When 53-year-old 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. 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...