ATFAgentAllisonJacobistemporarilyassignedtotheMilwaukeePoliceSpecialCrimesDivisiontoassistinsolvingthegruesomemurderofawomanknownasX-Girl.TheFBIandtheDHSbecomeinvolvedastheinvestigationwidensintohumantrafficking,andAJandherteammustgoundercovertosolvethemurderandstoptheexploitationofinnocentvictims.CaptainTagBecketisn’tusedtobeingarookie.ReturninghomeaftertenyearsintheArmy,shetakesapositionasthenewestmemberofAJ’steam.Shewantstokeepherheaddownandherpastbehindher,butherfeelingsforAJ’ssecond-in-command,GraceFields,makeskeepingsecretsnexttoimpossible.Asthetaskforcedrawsclosertotheperpetrators,teammembersrisktheirlivesandtheirsecretstoseejusticeprevail.