While filming a western on location, the stand-in/stunt double for an egotistical cowboy movie star proves his heroics when a "fake" bank robbery turns out to be the real thing.
The younger brother of an officer in a secret government code-breaking unit gets involved with a gang of spies and a beautiful double agent.
Halstead forces the Land Agent to alter the records and then kicks the Mexicans off their land. Buck has been sent to investigate and quickly joins up with Juan Cantova in the fight against Halstead. To keep Buck from seeing the records, Halstead has the Agent murdered. His men then claim Juan killed him and both Buck and Juan then find themselves wanted dead or alive.
