Greta, Haus ohne Männer

Year: 1977
Aka: Greta, The Mad Butcher
Director: Jesús Franco
Cast: Dyanne Thorne, Tania Busselier, Lina Romay, Eric Falk
IMDb: tt0076112
Theme / prize: retrospectief Jesús Franco
A young woman feigns illness in order to infiltrate a mental hospital, where she investigates the disappearance of her sister, a former patient. Meanwhile, the hospital warden and her attendants abuse and torture their charges, forcing them to star in cheap skinflicks.