Threepeople,theLakhanis,anIndiancouple,andanemployeeareshotdeadbyalongrangesniperonagarageforecourt-aseeminglymotivelesscrime.Tenmilesawayanothervictim,profoundlydeafHannahSmithson,isalsoshot,thoughherboyfriend'sbrotherChris,targetedwithher,survivesbutisunabletohelpwithanyinformation.InspectorJaneDeFreitas,onthereboundfromanaffairwithcolleagueRobertDrake,callsinthepathologyteambutwiththesniperatlargeandshootingindiscriminatelyThomasisconcernedforex-wifeJuliaandtheirdaughterRosie,nowlivingwithformerdruguserConradDevenish.Afterafifthvictim,MartinCross,acharityworkerataschoolisshotthekillerringsJanetotellherthatheisunstoppable.