Rebeca is arrested for a crime she did not commit, and Mónica, her sister, decides to take care of her baby and become his mother.
Rebeca justifies her past and claims that she wants to get her daughter back, but Mónica firmly responds that a mother is the one who raises a child, not the one who abandons them.
Mónica tells Rebeca what Aura is really like, and when Rebeca learns that it's her birthday, she decides to buy her a cellphone as a gift. However, Mónica rejects the gesture and makes it very clear that Aura is not her daughter and that she should not get involved in that way.
What seemed like a threat turns into a plea full of pain. Mónica makes it clear that if Rebeca wants to talk to Aura, she will have to tell her the whole truth, including the cruelest part of her story.
Alonso discovers the truth and confronts his father for having hidden the existence of his daughter from him for years.
Aura seeks Julia's support to prove her innocence, but her own cousin ends up sinking her even further. With her words, she reinforces their grandfather's suspicions, leading him to unjustly punish Aura and forbid her from returning to university.
Alonso finds out that he has a daughter and decides to look for her right away. However, he never imagined that this search would lead him straight to Mónica's home.
Aura feels flattered by the admiration "Sara" shows for her work, not realizing that a small comment could raise suspicions. A simple phone call exposes that something isn't right.
Mónica introduces her daughter Aura to Alonso, unaware that Rebeca will witness the moment that changes their lives forever—the first meeting between father and daughter.
In the middle of a heated confrontation with his father, Alonso decides to tell the whole truth and reveals to Nadia the great secret Silverio hid for years—the existence of another granddaughter who is now 18 years old.
Alonso can no longer keep the truth hidden and confesses to his mother that Silverio is cheating on her with a woman named Marcela.
Cornered by Rebeca's intentions, Mónica realizes that time is running out. In secret, she confides to her godmother that she plans to disappear with Aura before it's too late.
Vicente confirms that Aura is Rebeca's daughter and that Alonso was just steps away from his own daughter all this time.
Aura and Rebeca miss their flight to Spain when Mónica faints at the airport after Alonso unexpectedly arrives to confront her.
Aura tells Alonso that she approves of his "friendship" with her mom. Camilo reunites with Rebeca and is ready to support her again. Rebeca reveals to Mónica the truth about the danger Aura faces in Mexico because of Silverio, Alonso's father.
Delfino loses his patience with Mónica and Aura when he discovers that they reported where they were and why Aura didn't go to Spain. Mónica sets boundaries with Rebeca regarding Aura. Nadia forgives Silverio and gives him a second chance. Nadia also meets Aura.
While trying to negotiate with Camilo, Silverio discovers that Rebeca is still in Mexico. He decides to follow her and threatens to kill Aura. Meanwhile, Alonso reveals to Mónica that he wants to take a DNA test with Aura, while Dolores discovers that Mónica has feelings for Alonso.
The threat against Rebeca unleashes Camilo's fury. Without hesitation, he confronts Silverio and beats him down, making it clear that any harm against Rebeca, his daughter, or his sister will have fatal consequences.
Rebeca loses her composure after a disturbing phone call and decides to face the danger without anyone's help.
"Sara" arrives at the university to make sure Aura is safe. In front of her, she struggles with the urge to confess that she is actually Rebeca Olmos, her mother, but fear overcomes her and she only says goodbye before leaving the country.
Camilo stands in Rebeca's way and makes it clear that he will not allow her to get her hands dirty in her quest for revenge against Silverio. Determined to protect her, he demands that she tell him exactly what she plans to do to the man who ruined her life.
Lía discovers that Alonso has another daughter and doesn't hesitate to confront him. Amid accusations and pain, she demands an explanation for having hidden such a huge secret from her for so long.
Desperate because of the conflicts with the Olmos family, Dolores goes out to get some air, but what she discovers leaves her stunned: she sees Rebeca in the neighborhood and confirms that she has already been released from prison. Without wasting any time, she runs to tell Rosario.
After confirming that Aura is also beginning to feel something for him, Germán decides to take the next step. He invites her to a very special dinner to surprise her with a romantic proposal that could change their story.
Delfino rejects Aura's relationship with Germán, but Mónica threatens to leave the house if he doesn't change his attitude. However, it wouldn't be in his best interest to have his daughter far away.
Although Rosario believes that Rebeca does not want to see her, an anonymous message gives her hope of being reunited with her daughter.
The tension between Mónica and Alonso grows until he tries to kiss her, but the moment becomes complicated when Rebeca catches them and fears that he is using her sister to get closer to his daughter Aura.
After 18 years, Rebeca returns to her former home, but Delfino cannot hide his anger at seeing her in front of him.
After the unexpected poisoning of several diners from the shrimp, Rubén confronts Rebeca and warns her that she could go to jail if any of them dies.
Faced with problems with Delfino, Aura goes to Rebeca to express her full support and remind her that she is not alone, as she has both her and Mónica.
Azul's accident sparks a strong emotional confrontation. Aura, outraged by what happened, states that not all women are meant to be mothers. Meanwhile, Rebeca confesses to Camilo her pain and her fear of having lost her daughter's forgiveness forever.
Alonso can no longer hide what he feels and, in the middle of a dinner, confesses his love to Mónica. Her reaction says it all: a sincere smile that ends in a romantic kiss.
Aura speaks with the principal, but the pressure and the scandal surrounding her video end up affecting her severely.
Convinced that Lía is behind the attack, Rebeca confronts her without fear and with a fury she cannot hide.
Lía is arrested but refuses to accept the charges, insisting that the authorities are wrong and resisting being handcuffed. Karina tries to calm her down and asks her to cooperate so as not to worsen her case.
After admitting that she hurt Aura, Lía faces the consequences. Leonel decides to leave her in jail for one night so she can reflect, since her recklessness could have cost her dearly.
Silverio can no longer hide what he feels for Lía. He confesses that ever since he met her, she has fascinated him, and he assures her that her scent and presence drive him completely crazy.
Alonso is left in shock after discovering that Lía signed the divorce agreement and the custody papers for their daughter. The news forces him to face a new reality he never imagined.
Dolores grows tired of Julia's threats and decides to confront her without fear, challenging her to tell Delfino the whole truth. She also makes it clear that she will not allow her to destroy the relationship she is building with Pablo.
Lía causes a huge scandal with the intention of destroying Alonso and Mónica, but amid the chaos she takes the opportunity to reveal the most shocking truth: Alonso is Aura's real father.
The discovery about her father unleashes in Aura a mix of pain and fury that shatters her relationship with her mother.
Julia makes false accusations against Aura, but Mónica responds with a slap to stop her from tarnishing her daughter's name.
Lía asks Aura for forgiveness after discovering that she is Germán's girlfriend, and she confesses the pain she felt when she saw Alonso with Mónica.
Julia cries as she feels rejected by everyone and insists that in her family, only Aura matters.
Julia blames her mother for her mistakes, but Dolores asks her to take responsibility for her life as an adult woman.
Aura's efforts to free herself from her captors pay off when she is found by Mother Bernarda. However, she now has no way to communicate with her family or let them know that she is safe.
Furious, Rebeca blames Mónica and Alonso for Aura's disappearance, insisting that none of this would be happening if they focused on something other than their love.
Despite the pain caused by her kidnapping, Aura decides to stay at the convent a while longer as she sorts out her feelings about Alonso's revelation.
Amid the crisis caused by Aura's disappearance, Rebeca resents Mónica for seeming to keep her fears under control, but everything changes when the police arrive with news that could change their lives forever.
Determined to make the most out of Aura's kidnapping, Silverio betrays Lía and hands Leonel evidence of her crime, warning him that he is the only one capable of helping her avoid going to prison.
Aura decides not to return home and asks Rebeca to live with her in order to avoid seeing her mother again.
Mónica supports Julia during a difficult moment, but she admits that she feels left out because everything seems to revolve around Aura.
Mónica goes to Rebeca's house looking for Aura, but the situation escalates when Aura confronts her and doubts that she is her real mother.
Camilo reveals that he placed a GPS tracker on the tablet he gave Rebeca, sparking a conflict over the invasion of her privacy.
During a romantic weekend getaway, Alonso confesses to Mónica that he cannot live without her and proposes marriage to her, marking a key moment in their relationship.
Marcela confronts Silverio about his affair with Lía and threatens to expose him, prompting him to return to her to avoid a scandal.
Dolores confronts Julia after learning that she faked a pregnancy to keep Saúl by her side, expressing shame and deep disappointment.
Nadia acknowledges Mónica's efforts in raising Aura, highlighting the sacrifice she made by putting her own life aside for her granddaughter.
Nadia confronts Silverio for leaving her book presentation to accompany Lía, who suffered an anxiety attack, but his explanation does not prevent the conflict.
Mónica decides to leave her home because she can no longer endure the insults, and as she says goodbye to Rosario, she asks her to have the courage to leave her father.
Mónica arrives at Rebeca's apartment and assures her that she is willing to live with her in order to win back her daughter Aura.
Julia confesses that she fabricated the accusations against Professor Patricio out of revenge after being rejected, and the university director asks her to leave the institution.
Marcela begs Silverio not to leave her, but he rejects her and demands that she step away from the business; she responds by threatening to reveal his relationship with the mother of his granddaughter.
Delfino, tired of the constant fights between Mónica and Rebeca, threatens that he will be the one to reveal the whole truth to Aura.
Tired of postponing the truth and suffering the consequences of the lie, Aura, Mónica, and Rebeca decide that the time has come to confess their secret.
Alonso arrives at a restaurant with Mónica, but he runs into his father and Lía, whom he catches kissing.
Marcela tells Silverio that she is expecting his child and that she has no intention of losing him.
Dolores says goodbye to Delfino, thanking him for the years of support he gave her and Julia, but he calls her ungrateful and throws her out of the house. Meanwhile, Julia, devastated by her mother's departure, considers her the worst mother in the world.
Alonso meets with Aura to ask her to let him become more involved in her life and to express his desire to legally recognize her as his daughter.
Aura confronts Silverio in front of Nadia and reproaches him for wanting to get rid of her before she was born.
