该片是由费尔南多·迪·莱沃执导的恐怖片,于1971年上映，主要讲述了:A cloaked figu.re slips int.o an exclusive psychi.atric clinic and murders. one o.f the female patients.. Meanwhile, vario.us sexuals l.iaisons are revealed.. The mystery killer continu.es with his massacre .he beheads a nurse with a s.cythe, pushes a chauffeur i.nto a spiked “I.ron Maiden”, strangle.s an olde.r f.emale patient, kil.ls a nymphomaniac with a.n axe, and shoots a lesbian. throu.gh the neck with a cr.ossbow. Doct.or Clay and the polic.e set a trap for the kil.ler us.ing one of the attrac.tive female patien.ts as bait. .However, they are not. prepared for the onslaugth. that follows…