R | | Horror, Thriller
According to director Bruno Mattei, the convent the movie was shot in (the "Convento di Santa Priscilla" in Rome) was back then owned by FIAT, but belongs now to the Secret Service.
The genitals are the door to evil! The vagina, the uterus, the womb; the labyrinth that leads to hell; the devil's tools!
UK cinema and video versions were cut by 19 secs by the BBFC to edit a scene of a woman removing a dead nun's genitals and a closeup of a knife being twisted into a stab wound.