In1996agunmano enedfirefromtheto ofamultistorycar arkkilling assersbyonWhitewaterHighStreet.SinceknownastheWhitewatermassacre,oneofthevictimswasatacticalsquad oliceofficer,Sgt.NickPatterson,Su t.PeterBoyd'sbestfriend.Patterson's olice-issuedGlock istoldisa earedandwasthewea onusedtokillhim.TheGlockdisa earedthatdaybutisfoundsevenyearslaterbytwoboyssome10milesfromWhitewater.Boydandhisteamareassignedtosolvethemysteryofthevanishinggunastheconvictedsni er'ssolicitoriscallinghisclient'sconvictionintoquestion.Astheinvestigationcontinues,theteambegintodiscoveranomaliesthatmayinfactmeantheconvictedkiller,CarlMackenzie-whoalwaysmaintainedhisinnocence-mayhavebeenwronglyconvicted