Two twin sisters are separated at birth and lead opposite lives ignoring the existence of the other. The history of both will change radically when they are forced to live the life of their sister. Thirty years ago, Manuel, owner of a prestigious publishing house, is a married man but has a clandestine history with Luisa, a beautiful dancer. Luisa who becomes pregnant and to not complicate the marriage of Manuel disappears and takes refuge in his brother José. Luisa gives birth to twins and dies in childbirth. José refuses to give the girls to their father because he blames Manuel for the death of his sister. However, he can not keep them both. José notifies Manuel that he is a father, but he only gives him one girl and hides the existence of her twin, whom José appropriates and names her as Nina, his biological daughter. Nina, along with her best friend Susy, are choristers of "Daddy Papi", the king of the reggeton, with whom she has a very passionate love relationship. Together with them the musicians and her father José, live in the pension of Meche, the mother of Daddy Papi. Mara lives with Manuel and his new partner, Andrea, a much younger woman. Mara is in the direction of a female magazine of the publishing house of her father, although she does not work. Who takes charge is Patricio, her best friend and Manuel's right hand.