When she was selling newspapers, a young man of good social position named Víctor Alfonso almost ran over Rubí, who fell in love with him and he, moved by her situation, employed her in his own house. Doña Leonor, who deeply hates Lucrecia for ruining her son's life, ends up declaring Rubí the universal heiress of her immense fortune. From this moment on, Rubí will be the object of Lucrecia's anger and her son.