NoteventheicytemperaturesofatypicalNewEnglandwintercanmatchthebone-chillingsceneofcarnagediscoveredatthechapelofOurLadyofDivineLight.Withinthecloisteredconventlietwonuns-onedead,onecriticallyinjured-victimsofanunspeakablysavageattacker.Thebrutalcrimeappearstobewithoutmotive,butmedicalexaminerMauraIsles’sautopsyofthedeadwomanyieldsashockingsurprise:Twenty-year-oldSisterCamillegavebirthbeforeshewasmurdered.Thenanotherbodyisfound,mutilatedbeyondrecognition.Together,IslesandhomicidedetectiveJaneRizzoliuncoveranancienthorrorthatconnectstheseterribleslaughters.Aslong-buriedsecretscometolight,MauraIslesfindsherselfdrawninexorablytowardtheheartofaninvestigationthatstrikesclosetohome-andtowardadawningrevelationaboutthekiller’sidentitytooshatteringtoconsider.