In a general hospital, a troubled nun named Sister Gertrude struggles with morphine addiction, descending into madness. As she loses control, she implements a disturbing regime of lesbianism, torture, and death, putting the lives of the hospital staff and patients at risk.
The Killer Nun
Anita Ekberg plays Sister Gertrude, a nun who becomes consumed by a destructive cycle of drug use, sexual exploitation, and violent behavior.