Scarlett has never left the tiny island where she and her beloved sister, Tella, live with their ruthless father. Now Scarlett's father has arranged a marriage for her, and Scarlett thinks her dreams of seeing Caraval, the legendary, once-a-year performance where the audience participates in the show, are over. But this year, Scarlett's long-dreamt-of invitation finally arrives. With the help of a mysterious sailor whom she has just met, Tella whisks...