England, 1969. The fascinating Abbie and the troubled Lydia are great friends. After an unexpected tragedy occurs in the strict girls' school they attend, a mysterious epidemic of fainting breaks out that threatens the mental sanity and beliefs of the tormented people involved, both teachers and students.
- Year: 2015
- Country: United Kingdom
- Genre: Drama, Mystery, Horror
- Studio: Cannon and Morley Productions, Independent, BBC Film, BFI, Boudica Red, Lipsync Productions
- Keyword: england, female friendship, schoolgirl, mass hysteria, sexual awakening, fainting, woman director, 1960s, mother daughter relationship, girls' school
- Director: Carol Morley
- Cast: Maisie Williams, Maxine Peake, Greta Scacchi, Monica Dolan, Mathew Baynton, Florence Pugh