John Mulford, wealthy rancher, unaware Radigan, his foreman was a rustler, hired Buck Gordon to run the to earth. Gordon's search brought him to Ghost City. Here, a man was myster.

Gordon rescued the girl, Mary Gray, from the and brought her back to Ghost City. The mystery man watched menacingly as they read his threatening note, then vanished. Gordon brough.

Mary went with Gordon to Ghost City to show him her grandfather's gold mine. jumped Gordon and left him, bound, in a tunnel. Mary captured one of them, but another rustler pursued.

Buck Gordon and Mary Gray, while inspecting the mine of Mary's Grandfather, narrowly escaped an explosion. Realizing someone was secretly working the mine, Mary returned home, whil.

After searching all night for the rustlers who attacked the saloon, Gordon returned to the Mulford ranch and met Radigan, who craftily criticised him for failing to capture the rus.

After climbing from the well into which he has crashed, Gordon returned to Mulford's ranch. Radigan, the foreman, learned with alarm that Gordon had sent for Pat Campbell famous ca.