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.
Ginebra confesses to Mauro that she has no mercy to get Paz out of her way, since she had no remorse when it came to her sister Berenice. Paz asks her family to hide Luna, the little girl remembers that her mother's name is Ginebra and wants to meet her again. Paz makes up a story for Ginebra so that she can't enter her house, she suspects that she is hiding something about her from him and begs her to help him put up posters of her daughter all over the neighborhood. Paz denies having a romantic relationship with Esteban, but Ginebra asks him to tell her the truth since sooner or later things will come out.