It is about a marriage formed by Isabela (Ángela Contreras) and Gustavo (Francisco Pérez-Bannen), a relationship that is broken when Gustavo tries to escape with his lover, Adriana (Luz Valdivieso), but in an accident, he loses all the memories of this year. Now, Adriana will try everything to make Gustavo regain his memory. Besides, Isabela is reunited with an old love, Martín (Francisco Melo), and doubts her marriage.