When the U.S. invasion and the landing of troops in 1847 begins, the former cadet Miguel de la Peña (Jorge Negrete) and his friend Agustin Melgar (Jose Macip) decide to return to the military college and fight heroically in the defense of the Mexican army.

Directed by: Luis Lezama
Runtime: 94 minutes
Cast:
Jorge Negrete Jorge Negrete
Miguel de la Peña 
Margarita Mora Margarita Mora
Mercedes de Zuñiga y Miranda 
José Macip José Macip
Agustín Melgar 
Celia D'Alarcón Celia D'Alarcón
Ana María de Zuñiga y Miranda 
Alfonso Ruiz Gómez Alfonso Ruiz Gómez
Rafael Alfaro 
José Ortiz de Zárate José Ortiz de Zárate
Don Pedro de Zuñiga y Miranda