Thedaringoftheracketeers,allworkingforoneorganization,inaneastcoastcityleadstheGovernortocreateanewundercoverlawagencyformedtocombatthegangsters,andtofindwitnessesagainstthem.HeadingtheagencyistheSpecialProsecutor'saide,InspectorLane,andhisassistants,EmmetWhiteandBullRegan.MaryNorton,whoBullhasfalleninlovewith,isthesecretaryforoneofthelegitimateenterprisesranbyWardSturgis,theheadofthecrimering.Maryhadaccidentallylearnedofthis,andhadjustmanagedtoescapewithherlifefromhisyacht.Sturgisisfounddeadfloatinginthebaywithseveralbulletholesinhisbody.MaryistheleadsuspectandBullisassignedthejoboffindingandarrestingher,butshegiveshimtheslip.Whenhedoescatchupwithheragain,itistorescueherfromthevery-muchaliveWardSturgis,whohadfakedhisdeathbyhavingalook-alikekilled.