A diamond smuggler from the city is on the lam and takes the identity of a rural schoolteacher, teaching in a small town.

• Filmex
• Arturo de Córdova
• Elsa Aguirre
• Marga López
• Carlos López Moctezuma
• José Elías Moreno
• Dolores Camarillo
• José Ángel Espinosa 'Ferrusquilla'
• Pascual García Peña