简介：Whenherbrotheriskilledinthemysteriousexplosionofanewfield-gunfortheU.S.Army,IreneEatongoestoWashingtonD.C.tocalluponColonelShaw,headoftheArmyMilitaryIntellegence.Thegunexplosionwasjustoneofmanyactsofsabotagerecentlypulledoffbyaforeignsabotagegang.ShwandhisaidesarethesubjectofincreasingcriticismfromCongressmenandpoliticianssuchasEverettBrockbecausetheyhaven'tcapturedthegangmembersandleaders.ShawappointsIrenetorootthemoutandsendsherofftotheDomeCafewhichistheheadquartersofthegang. IreneEatonoffersherselftosecretservicechiefShawforundercoverworktofindthesaboteurscausingarashofexplosions,oneofwhichkilledherbrother.Sheisaccepted(despitehavingnoexperience),givenafalseidentityandleadstoacafe,whereshequicklylearnswhosomeoftheunderlingsareandjoinsthem.OneappearstobeJamesHuntley,aphotographershepicksupunderordersofthechiefunderling,afterheswimsashorefromanunknownvessel.However,gettingthebigbossofitallistheobject,andaftermanyredherringsheisrevealedattheendofthemovie,whichculminatesattheuppermostflooroftheWashingtonMonument.…