ItisCaliforniain1852thatonlyrecentlybeingsurrenderedbyMexicototheUnitedStatesandadmittedintotheunion.Mostoftheland-ownersofCaliforniawerethedescendantsoftheDonswhohadcolonizeditahundredyearsbeforeandwhosetitledeedsborethesignatureandsealofalong-deadSpanishking.But,byaloop-holeinthelaw,thetitle-deedsoftheDonscouldnotberecognized,andthisopenedthedooroforganizedgangsofland-grabbers,suchastheoneledbyJoeKincaid,tooperatewithaprimeexcuseforlegitimateplunderandrobbery.Inmostcasesthelawwasunabletocopewiththesituation.ThenRositaCastro,thedaughterofDonPasqualCastro,maskedanddisguisedasaman,organizedabandofvigilantestofightagainstthetyrannyoftheoutlaws,aidedbyanundercoverfederalagent,JimKearney.