比佛Tocomplicatematters,someoneinNewYorkCityismurderingDownworlderchildren.IsValentinebehindthekillings?andifheis,what生死之墙ishetryingtodo?WhenthesecondoftheMortalInstruments,theSoul-Sword,isstolen,theterrifyingInquisitorarrivestoinvestigateandzoomsrightinonJace.HowcanClarystopValentineifJaceiswillingtobetrayeverythinghebelievesintohelptheirfather?