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.
Paz warns Esteban that she is determined to forget him, he begs her not to, but Ginebra calls him to threaten him. Fobo asks Elvira for an opportunity to conquer her, she accepts, but she fears not reciprocating it. Ginebra announces to Gala that she is starting a relationship with Esteban, she cannot believe that her father has forgotten Paz so quickly. Humberto surprises Paz with a bouquet of flowers, she warns him that she cannot reciprocate since she is still in love with Esteban.