The Durango Valley is being pillaged by a mysterious bandit known only as "The Shadow." Keene Cordner, over the protests of ranch foreman Tanner gets a job on John McKay's ranch. The sheriff, investigating a killing, comes to the ranch and arrests Keen based on the eye-witness testimony of a deputy. Tanner helps him escape and hides him out in a cabin. Keene bitterly declares that since the Sheriff has unjustly made him an outlaw, he will become one with the idea of running down the real Shadow.
Durango Valley Raiders
The Shadow and his outlaw gang have control of Durango Valley. Keene Cordner arrives, and with the help of Tanner becomes a second Shadow in his attempt to round up the gang.