Juan Daniel is happily married to Ana Maria, a remarkable woman who is devoted to her husband and children. His simple life quickly becomes complicated when he falls madly in love with Tania, a rebellious small-town girl who dreams of becoming a famous singer. Tania also falls for Juan, not knowing that he is already married. The two women eventually meet, both unaware that they are in love with the same man, and become fast friends. Adding to Juan's troubles is Ismael Montegarza, the richest man in Tijuana, who blames Juan for the death of his son.