Cowhand Steve Ransom discovers that German spies are operating along Mexican border, relaying their radio messages into Mexico and thus on to Germany. The spies learn that Steve is a fugitive from American justice.
| Actor | Role |
|---|---|
 William S. HartSteve Ransom | Steve Ransom |
 Wanda HawleyElsa Miller | Elsa Miller |
 Charles ArlingHerman Brandt | Herman Brandt |
| EErich von RitzauFrederick Schloss (as E. von Ritzen) | Frederick Schloss (as E. von Ritzen) |
 Bert SprotteVon Helm (as Berthold Sprotte) | Von Helm (as Berthold Sprotte) |
 Marcia ManonEsther Meier | Esther Meier |