Looks back to the years of the Ya-Ya Sisterhood's origins in Thornton, Louisiana, during which Vivi, Teensy, Caro, and Necie endure crises of faith, lapses in parenting, brushes with alcoholism, and glimpses into racial bigotry.
Jessie Sullivan is summoned home to tiny Egret Island, where she meets Brother Thomas, a monk who is about to take his final vows, and encounters the legend of a mysterious chair dedicated to a saint who had originally been a mermaid.