Even a year removed from living in the bayou, Ruby still wonders at the splendor of her family's New Orleans mansion. She rejoices in the love of the father she had never known, even as true happiness remains as elusive as swamp mist. Her stepmother sneers at her backwater upbringing, and while discovering she has a twin sister should be a cause for joy, Gisselle has greeted Ruby with nothing but a bitter heart.

When Ruby's father chooses an idyllic boarding school for his daughters' senior years, a fresh start with Gisselle seems possible. But Ruby's kind isn't welcome at Greenwood, and the legendarily strict headmistress plots with her stepmother to make life miserable. Worse, with her twin on a mission to break every school rule, Ruby is left to suffer the humiliating punishments. So when a terrible tragedy leaves Ruby alone in a world that never really wanted her, only her Cajun strength can give her daring escape plan any hope of success. The weather on the bayou was nothing compared to the storm about to tear through her family.