Corazón Salvaje (English: Wild Heart) is a Mexican telenovela produced by Salvador Mejía Alejandre for Televisa. It is based on the novel Corazón salvaje from 1957.
In the year 1851 near the port city of Veracruz, María del Rosario (Laura Flores) falls in love with Juan de Dios San Román (Osvaldo Ríos), a humble fisherman, unaware that another man, Rodrigo Montes de Oca (Enrique Rocha), is in love with her. María del Rosario confesses her love for Juan de Dios to her sister, Leonarda (Helena Rojo), and tells her of their plans to wed, unbeknownst that Leonarda harbors a deep hatred for her sister because she is secretly in love with Rodrigo. Leonarda tells Rodrigo about her sister's wedding plans, and he uses his influence with the authorities to stop the wedding and incarcerate Juan de Dios for life. While visiting him in prison, María del Rosario confesses to Juan de Dios that she is expecting their child. Rodrigo and Leonarda decide to confine María del Rosario to an estate by the sea. Juan de Dios escapes from jail and searches for María del Rosario, but Rodrigo discovers their plans to escape and tries to shoot him. Juan de Dios flees the estate as María del Rosario has begged; he swears he will return for her and their child. María del Rosario gives birth to her son. Leonarda has a servant leave the newborn boy in the jungle to die, while lying to her sister that the baby died. Upon hearing the news, María del Rosario spirals into insanity. Leonarda decides to deceive Rodrigo and pass her sister off as dead while locking María del Rosario away in the estate’s basement dungeon. All the while, María del Rosario's son has been rescued from the jungle by Remigio. He adopts the boy as his brother and takes the child to be raised by Aurora who baptizes him as Juan de Dios, as requested by a note left with the baby.