California, 1848. An invading army has defeated the few opposing forces and the territory has become part of the United States. Don César de Echagüe, an old gentleman, begs his son César to return from Europe, confident that he will know how to confront the oppressor.
- Genre: Drama, Western
- Studio: Oro Films, Unión Films
- Keyword: secret identity, los angeles, california, masked hero, masked rider, landowner
- Cast: Abel Salazar, Gloria Marín, Manuel Monroy, Santiago Rivero, Rafael Bardem, Carlos Otero