After the death of Alondra's mother, her father Baldomero, who feels sad and lonely, brings his sister Loreta and her two kids, Maria Elisa and Rigoberto to live in his house, hoping that Loreta will replace a mother to Alondra. But he is mistaken. Loreta hates Alondra, as she reminds her of Alondra's mother who used to be an actress and whom Baldomero's family never accepted. Years go by, and Alondra grows up into a beautiful, rebellious girl, with very independent and progressive views for that time.
Her constant fights with Loreta continue, but now she learned how to fight back. In the meantime, Baldomero spends most of the time on his ranch in arms of his new love Carmelina, unaware of what's going on in his house. Loreta manages to make Alondra's life a living hell, including her own daughter's, Maria Elisa, a shy and weak girl.
While Loreta tries to force her into a marrying a rich old man, Maria Elisa is in love with Raul, a young officer. To make matters worse, Loreta's evil and ambitious son, Rigoberto, gets kicked out of a seminary and returns home, also torturing Alondra and Maria Elisa. Alondra meets a retired and famous singer, Leticia del Bosque, whom influences and advises Alondra and suggests that she goes to the ranch and tells everything to Baldomero.
On Alondra's way to the ranch, she accidentally meets Bruno. They live a very passionate love, but she later discovers that he is married and has two children. Further more, on the ranch she finds out that her father is going to re-marry for the second time. Disappointed she returns home, where she finds that Maria Elisa is also upset, as she is pregnant and believes that Raul has abandoned her.
The two girls decide to go to Mexico City in search for a better life, success and new love. And it is in Mexico City that Alondra, who has started a flower business, meets Carlos. But her forbidden love for Bruno is not over yet.