The locals, including Porter (Al Cliver) and Turi (Lino Salemme), tell them to avoid a monastery's beautiful but ominous ruins that overlook the dig.

Although Professor Evans reminds her that she should avoid any involvement with the supernatural after the seance in Toronto, Liza is fascinated by the morbid rumors about what happened in the monastery.

Two archaeological team members, Sean (Grady Thomas Clarkson) and Kevin (Pascal Druant), are lured into the ruins by enticing female voices and then killed when they fall through a weak floorboard and land into a pit of metal spikes.

Inspector Carter finds a piece of torn clothing clutched in Turi's right hand, which belonged to his killer.

Now under suspicion himself for Turi's murder, Professor Evans decides to abandon the dig, but Liza, acting more and more strangely, refuses to leave.

Professor Evans pursues Liza, who is dressed in a white robe and possessed by the spirits of the evil nuns, into the ruins.

The wounded Professor Evans staggers into the cavern, pushing the mob members out of his way, to see Liza materialize at the foot of the burning crosses, no longer possessed but dead.

"[3] Howarth described it as "one of Fulci's weakest films, an incoherent mishmash of the ghost story and nunsploitation genres" and that had "only a few flashes of the director's distinctive style.