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 and her family are detained, she reveals to Esteban that she had Ginebra's daughter under her protection, but everything has an explanation. Esteban reproaches Paz for her lies and assures her that she confronted her children and Elvira for defending her love, but in the end they were right. Ginebra manages to meet with her daughter Sam and assures her in front of the police that she longed to hear her voice, since she spent many days mourning her absence. Paz, left alone in prison, is attacked by her security personnel and they warn her that she is going to pay dearly for what she did.