Paz Roble, a kind, hard-working and honest woman from whom her husband, Fermín, takes her newborn daughter. Fermín has a large debt with some lenders and to pay it he decides to sell his daughter to Mauro Nicoliti. This plagiarism is orchestrated by Geneva, Mauro's adoptive sister. She lost her first-born daughter in childbirth and does everything to replace her dead daughter and keep her husband's fortune. On the other hand, Esteban Villa de Cortés loses his wife and becomes a widower with his three children. Elvira Moncada, Esteban's mother-in-law, holds him responsible for the death of her daughter. After a series of unexpected events, Esteban and Paz meet in the neighborhood where she lives with her family. The chemistry and great understanding that exists between them makes it inevitable that they will fall in love.
Lupita complains to Elvira for insulting her family and assures her that she learned from her daughter Ginebra because of her heavy blood. Jero tells Gio that she can rest easy if she agrees to ally herself with Geneva, she does not hesitate and celebrates that she is destroying Bosco's life. Ginebra demands that Esteban respond to her as her husband, he refuses and assures her that she does not want her, since she does not awaken anything in him. Esteban takes advantage of the march where Paz participates to reveal to her that Ginebra is a murderer.