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 | Emilio Fernández | Story |
| Writing | Mauricio Magdaleno | Adaptation |
| Production | Felipe Subervielle | Producer |
| Sound | Raúl Lavista | Original Music Composer |
| Camera | Gabriel Figueroa | Director of Photography |
| Editing | Gloria Schoemann | Editor |
| Art | Manuel Fontanals | Production Design |
| Costume & Make-Up | Royer | Costume Design |
| Costume & Make-Up | Ana Guerrero | Makeup Artist |
| Production | Armando Espinosa | Production Manager |
| Directing | Zacarías Gómez Urquiza | Assistant Director |
| Sound | Jesús González Gancy | Sound Recordist |
| Sound | Howard E. Randall | Sound Engineer |
| Camera | Domingo Carrillo | Camera Operator |
| Lighting | Daniel López | Lighting Technician |
| Sound | Manuel Esperón | Music |
