Daliah Lavi plays Purificazione,a young woman who after having her amorous advances rejected by young man in her town resorts to witchcraft to try and win him over.When the townsfolk realise what she is doing everything untoward that happens is blamed on her.Soon they have her pegged as being possessed by a demon and an exorcism is carried out in the local church..."The Demon" by Brunello Rondi is an overlooked Italian horror film from early 60's with excellent central performance of Dalilah Lavi.The infamous 'spider walk' across the church floor scene obviously inspired William Peter Blatty's "The Exorcist".The climax is tragic and unforgettable.8 exorcists out of 10.