ColonelBranson(ThomasGibson),headofasecretandcovertdivisionoftheNSA,keepstheShadowWolvesoperatingalbeitnowindependentandrogue.HisangerafterhisdaughterwaskilledinAfghanistantrainingciviliansdriveshimtodefend"his"Americaandherbordersbyallmeanslegalorotherwise.WhenISISterroristsbegintosneakacrosstheUSBorderintoArizona,BransonalertstheShadowWolvestotrackandstopthem.BransonsendsEricShaw(CodyWalker),hismostdeadlyandeffectiveagent,tojoinupwiththeShadowWolves.TheWolvesareledbyNabahe(GrahamGreene),aNavajohonoredmilitaryveteran,andanoldcolleagueofBranson's.AtthesametimeinLondonLadyMilton-Simon(LouiseLombard),headofanMI6anti-terroristdivision,sendsouthereliteagent,MajorMcLaren(TomHutch),totrackaterroristnamedKhan(SolomonShiv)whohasapersonalvendettaagainsttheUSandtheShadowWolves.LadyMiltonandMcLarenlearnKhanisheadingtoMexicotobe...