Marichuy is a cheerful, hard-working young woman who lives in a poor neighborhood of the city and harbors a terrible secret. Juan Miguel lives in an unhappy marriage, driven only by the love of his young daughter.

Juan Miguel is impressed by Marichuy's beauty. Viviana feels bored with her marriage to Juan Miguel. Marichuy suffers when she remembers her life of deprivation, while Cecilia regrets abandoning her daughter.

Marichuy convinces Juan Miguel of her innocence so she can be released. Viviana asks Juan Miguel for a divorce.

The plane Juan Miguel and Viviana are traveling in crashes into the sea.

While Viviana survives the accident, Onelia makes Mayita believe Juan Miguel killed her mother.

Isabela tricks Cecilia into believing that Estefanía is the daughter she abandoned. Marichuy confesses to Father Anselmo that a man abused her. Juan Miguel expresses to Patricio his interest in helping Marichuy.

Cecilia confesses the truth to Patricio about the daughter she abandoned, and they agree to take Estefanía in. Viviana calls Juan Miguel's house looking for Onelia. Marichuy steals milk from the neighborhood to help the children at the orphanage.

Marichuy asks Juan Miguel to help her so she doesn't go to jail.

Marichuy feels lost in Juan Miguel's house and wants to leave.

Cecilia suggests that Estefanía organize a reception to introduce her to society.

Cecilia welcomes Marichuy into her home, causing distrust in Estefanía and Isabela.

Marichuy denies to Estefanía that she's in love with Juan Miguel. Viviana enjoys her life away from Juan Miguel.

Marichuy has a problem with Patricio because of Amador. Marichuy and Rocío have fun in Chapultepec. Isabela learns more about Marichuy's past and suspects she may be Cecilia's daughter.

Marichuy and Estefanía argue over a photograph of Juan Miguel. While Juan Miguel can't stop thinking about Marichuy, she suffers Isabela's humiliation. Adrián questions Marichuy about her feelings toward him and Juan Miguel.

Amador tries to assault Marichuy, but she fights back and hits him on the head. Marichuy's nightmares return, attracting Cecilia and Estefanía's attention.

Isabela discovers that Marichuy is Cecilia's real daughter. Marichuy falls for Amador's trick and is forced to get closer to him.

Isabella assures Patricio that Marichuy is not the good woman she claims to be.

Juan Miguel discovers that Viviana is stealing from him. Isabella carries out her plans to find out if Marichuy is a bad woman.

Estefanía confronts Juan Miguel to find out if he is in love with Marichuy.

Marichuy becomes jealous when she sees Estefanía kiss Juan Miguel. Viviana discovers that her lover is a thief.

Marichuy suffers when she learns that Juan Miguel has decided to marry Estefanía.

Marichuy assures Cecilia that a man wants to abuse her.

Juan Miguel devises a plan to discover the origin of Marichuy's nightmares.

Marichuy is upset to learn that Patricio accuses her of being a thief.

Marichuy discovers that Estefanía is the one responsible for Patricio's jewelry disappearing.

Juan Miguel kisses Marichuy to show her the immense love he feels for her.

Juan Miguel carries out his plans to find out the reason for Marichuy's nightmares.

Juan Miguel confesses to Marichuy the immense love he feels for her.

Juan Miguel confesses to Patricio the great love he feels for Marichuy.

Juan Miguel carries out his plans to marry Marichuy.