Acloakedfigureslipsintoanexclusivepsychiatricclinicandmurdersoneofthefemalepatients.Meanwhile,varioussexualsliaisonsarerevealed.Themysterykillercontinueswithhismassacrehebeheadsanursewithascythe,pushesachauffeurintoaspiked“IronMaiden”,stranglesanolderfemalepatient,killsanymphomaniacwithanaxe,andshootsalesbianthroughtheneckwithacrossbow.DoctorClayandthepolicesetatrapforthekillerusingoneoftheattractivefemalepatientsasbait.However,theyarenotpreparedfortheonslaugththatfollows…