A demented nun sliding through morphine addiction into madness, whilst 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.

Starring:

Alida Valli, Massimo Serato, Anita Ekberg, Paola Morra

Genre:

Thriller, Horror, Mystery