As Fiona Goode in AHS: Coven, Lange plays the Supreme witch, who, after gallivanting around the world living a life of luxury then finding out she has cancer, returns to New Orleans to take over Miss Robichaux's Academy for Exceptional Young Ladies from her daughter, Cordelia, played by Paulson. She takes over teaching the girls and in the meantime gets stuck in a centuries-old feud between notorious slave owner Delphine LaLaurie and voodoo queen Marie Laveau. Unable to beat her cancer, she dies and spends her eternity cursed to live in a world with no luxury and no power.