In mid-nineteenth century Guanajuato, the beauty and charm of the young heiress Amalia conquers the lowly foreman Ricardo with fatal results. Prevented from consummating their love, Ricardo is going to Guanajuato where again later become the rich owner of a mine. On his return, fate has prepared a tragic encounter with Amalia.
| Directing | Emilio Fernández | Director |
| Writing | Mauricio Magdaleno | Adaptation |
| Writing | Emilio Fernández | Story |
| Sound | Jesús González Gancy | Sound Recordist |
| Sound | Howard E. Randall | Sound Engineer |
| Production | Felipe Subervielle | Producer |
| Camera | Domingo Carrillo | Camera Operator |
| Camera | Gabriel Figueroa | Director of Photography |
| Editing | Gloria Schoemann | Editor |
| Sound | Raúl Lavista | Original Music Composer |
| Sound | Manuel Esperón | Music |
| Costume & Make-Up | Ana Guerrero | Makeup Artist |
| Production | Armando Espinosa | Production Manager |
| Art | Manuel Fontanals | Production Design |
| Directing | Zacarías Gómez Urquiza | Assistant Director |
| Lighting | Daniel López | Lighting Technician |
| Costume & Make-Up | Royer | Costume Design |
