A demented nun sliding through morphine addiction into madness, while presiding over a regime of lesbianism, torture and death. Sister Gertrude is the head nurse/nun in a general hospital, whose increasingly psychotic behavior endangers the staff and patients around her. Anita Ekberg, Joe Dallesandro, Alida Valli, Massimo Serato, Daniele Dublino, Paola Morra, Lou Castel Added on Amazon Prime 2023-03-27. Youtube Trailer