 Ranger Jack Mason is sent to Manzanita to bring in Ann Jordan, head of the Jordan gang, reputed to have murdered a rancher and stolen his herd. Mason helps her out during an ambush and, gaining her confidence, hears her side of the story - that tax collector Ott Ramsey, in cahoots with the law, is illegally increasing taxes on ranches and foreclosing on them, and was responsible for the murder in question. Learning she s telling the truth, Mason tries to put her under protective custody but must change his plans when Ramsey and his gang kidnap her and plan her murder.