Jealousy flares after the headmistress of an elite boarding school for girls becomes obsessed with a new student.
- Genre: Drama, Mystery, Thriller
- Studio: Element Pictures, Future Films, Atresmedia
- Keyword: england, based on novel or book, nightmare, uniform, murder, lesbian relationship, teacher, school, underage drinking, female homosexuality, catholic, mental illness, storytelling, aristocrat, missing child, woman director, lesbian
- Cast: Eva Green, Juno Temple, María Valverde, Imogen Poots, Ellie Nunn, Adele McCann