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 is determined to face any obstacle that may arise now that she has agreed to be Esteban's partner. Gala reveals to Esteban that Rubio not only hurt her mother, he also messed with Paz, she confirms that that man sent her to the hospital. Ginebra is willing to give her all the money Filipa needs in exchange for her helping her in her money laundering business. Fermín assures Paz that her daughter will soon be at her side, she reveals that she imagines that Luna is the daughter they lost.