Walkinghomefromworkonenight,Thana,amuteseamstressinNewYorkCity'sGarmentDistrict,israpedatgunpointinanalleybyamysterious,maskedattacker.Shesurvivesandmakesherwaybacktoherapartment,wheresheencountersaburglarandisrapedasecondtime.Thanabludgeonsthissecondassailanttodeathwithaniron.Shethenkeepshis.45caliberM1911A1pistol,dismemberstheburglar'sbody,putsthepiecesintoplasticgarbagebagsandgraduallydisposesoftheminvariouslocationsthroughoutthecity.Shebeginstohavefrequentnightmaresandhallucinationsofthefirstassailantstalkingher,andhermentalstabilitybeginstodim.Thanaisnoticedbyamanwhilesheisdisposingofoneofthebaggedbodyparts;retrievingthebag,hechasesandfrightensher.Fearinganothersexualassault,shefatallyshootshim.Thiseventfurthersherimpulseforvengeance.Gradually,Thanatransformsherappearancetobeeamoreandmoreseductivebait,andsetsouttokillanymanwhoannoysher.Neartheendofthefilm,shedonsanun'shabitandredlipsticktoattendaHalloweenpartywithherbossandco-workers.Herbosstriestotakeadvantageofherandiskilled;Thanathenbeginsashootingspreeandtargetsallthemenpresent.Finallysheisstabbedbyafemalecolleague.