The fabulous oil fields were opening up -- and the open range was being closed off. Violence and whining bullets marked the struggle between the cattlemen and the new oil millionaires until Walt Slade rode in to bring peace to the warring factions. But the tall Ranger undercover man had his work cut out for him-as he found out the night an unseen killer riddled his room with gunfire! Then it became a personal feud, to be settled only with the deadly crashing roar of GUN JUSTICE!