The disaffected wife of a failed civil servant, is thrilled to re-encounter Octavio, a former lover who is now a union activist on the run from a corrupt politician. Hoping to help him, she descends into the Mexican underworld, where she finds a purpose-and a thrill-missing from her married life.

A magician suspected of having killed a colleague is arrested by the police, but his assistant helps him escape.

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.

A young woman, abandoned by her womanizing fiancé, is forced to provide for the upbringing of her son and combat the difficulties of being an unmarried mother during the strife of early 20-century Mexico.