Antonio recuerda el primer encuentro con Rosario, cinco años atrás, mientras la acompaña en el hospital. En el pasado, Rosario ataca a una docente que la insulta.

Rosario es expulsada del colegio y comienza a trabajar para Cristóbal. Antonio ayuda a Emilio a salir de su casa para escapar de una amenaza.

Antonio le pide ayuda a Emilio para encontrar a Rosario pero, cuando se les une Solange, comienzan los problemas. Gonzalo invita a Rosario y a Delia a comer.

Emilio le dice a Lety que tiene un plan para el futuro. Antonio vuelve a tener contacto con la misteriosa Rosario. El nuevo trabajo de su hija preocupa a Ruby.

En un intento por defenderse y proteger a Delia, Rosario lastima a alguien. Las familias de Emilio y Lety se reúnen para un anuncio impactante.

El médico de Lety tiene novedades sorprendentes. Brandon es intimado a completar su tarea. Antonio le transmite al director de Rosario su deseo de ayudarla.

Ruby se siente traicionada al descubrir la verdad sobre la vida amorosa de Cristóbal. Delia pasa un tiempo en el rancho de Gonzalo. Lety y Emilio festejan.

Rosario joins Ruby at her job and heads to the Bethancourts' house. Gonzalo visits Luis Enrique and tells him about a favor he did for him.

Emilio worries about Solange after she goes missing. Rosario models in Paula's fashion show. Brandon asks Delia to get him a job working for Gonzalo.

Paula wants to celebrate her fashion show with Antonio but he's distracted. Rosario is violently assaulted. Gonzalo orchestrates a ceremony for Delia.

Ruby asks Rosario what happened when the motorcycle was stolen. Delia is forced to help Gonzalo's men look for Brandon. Emilio is in legal trouble.

Gonzalo seeks revenge on Brandon by going after Delia. The police continue to search for Emilio. Rosario wants Eric to go to school.

Emilio's parents look for him as he plays soccer in Iztapalapa with Antonio. Rosario worries about Delia. Lety and her parents visit Gonzalo's ranch.

Emilio is taken into custody. Brandon questions Rosario about her sexual assault. Joselito is attacked. The architect students learn troubling news.

Rosario gets aggressive when defending her mother against a false accusation. Gonzalo sends Lety roses and offers Luis Enrique a new employee.

Rosario seeks out vengeance against Cacho and gains a new nickname. A dead woman's body is found. Emilio makes a new friend in jail.

Fierro confesses his feelings for Rosario. Delia's friends and family grieve. Rosario agrees to help her brother kill Gonzalo.

Gonzalo offers the farm back to the Bethancourts. Antonio continues to look for Rosario as she tries to get a job with Cristóbal.

Antonio voices his distrust of Gonzalo. Rosario goes to the Bethancourts' house to retrieve her mom's beauty supplies. Brandon finds out he's in danger.

Seeking revenge for Delia, Rosario pays a dangerous visit to Gonzalo's ranch. Meanwhile, Antonio searches desperately for Rosario in her neighborhood.

Ruby confronts Brandon about his actions. Rosario grapples with what she's done but then leans into her newfound calling.

Emilio is blown away when he meets Rosario. Sam and Antonio spend the night together, then he heads to his apartment for a big surprise.

Paula is furious at Emilio for his betrayal. Antonio is stunned by Rosario's return to his life. Meanwhile, multiple people try to locate the assassin.

Rosario leads a truck hijacking operation but Tiger threatens to ruin it all. Gonzalo's son frightens Lety at the ranch. Paula receives a job offer.

On Tobías' orders, Peludo breaks into Antonio's apartment and Rosario surprises him. Emilio asks Antonio if he has feelings for his mystery woman.

Rosario brings Eric with her as she researches a potential hit. The police look deeper into the truck hijacking incident. Emilio begs for forgiveness.

Sam and Antonio have a hard time resisting each other. Eric's injury puts Rosario at risk of getting caught. Emilio and Paula tour an apartment.

Antonio is kidnapped and Rosario tells León she suspects Tobías is to blame. Emilio has issues with Carlos. Damián makes a new friend in jail.

Federico asks Fierro to do a job for him. Tobías offers Paula an expensive gift. Rosario and Sam meet each other.

Rosario, Brandon and Fierro prepare for their latest job but a broken statue causes the superstitious Rosario to think that something will go wrong.

Federico causes a scene at Bellavista. Pamela investigates Rosario after seeing her at the hospital. Marta gets suspicious of Luis Enrique and Susana.

Antonio and Emilio wonder how well they really know Rosario. Marta confronts Damián when he pays a visit to Bellavista.

Antonio, Emilio, Rosario and Sam go on a beach vacation together. Federico tells Fierro he wants Antonio killed.

Damían kidnaps Luis Enrique's daughter in order to blackmail him for the ranch. Tensions rise between Emilio and Antonio while on vacation.

Antonio and Emilio come to blows. Paula gets fed up at the calendar photo shoot. Luis Enrique worries about his daughter.

Rosario discovers the identity of Fierro's target and seeks revenge on Federico. Marta kicks Luis Enrique out of the house.

Sam learns about what happened to her husband. Damián is intent on avenging his father's death. Rosario realizes her feelings for Antonio.

Rosario tells Arteaga what she overheard about his brother. Emilio confronts Antonio. Sam recognizes the main suspect in Federico's murder.

The police question Antonio extensively. Emilio asks Rosario if she killed Federico. Leonardo warns Brandon that Cacho is hunting for his sister.

Damián and Cacho's actions have consequences. Antonio is incarcerated and turns to Emilio for help. Rosario moves into a new apartment.

Fierro gets jealous when Emilio and Antonio party with Rosario at her new apartment. Susana gives Luis Enrique an ultimatum.

A shocking discovery at a drug transfer makes Rosario suspicious Arteaga is being betrayed by his own brother. Samantha speaks with the police.

Rosario asks Emilio what she means to him after finding out about his upcoming wedding to Paula. Antonio realizes he's being followed.

Fierro is ordered to kill Rosario. Meanwhile, the assassin asks Antonio to take her to Emilio's wedding. The police investigate Nemesio's death.

On Emilio's wedding day, Rosario acts rashly when jealousy takes over. Arteaga commands Brandon to look for his sister.

The police and Paula seem to have doubts about Emilio's kidnapping story. Arteaga returns home with questions for Tobías.

Samantha and Antonio say goodbye. Fierro is tormented by his jealousy and his latest task. Rosario's life is put in grave danger.

Brandon concocts a plan to get a very wounded Rosario out of the hospital. Antonio is arrested for obstruction of justice.

Brandon and Fierro put pressure on Rosario's doctor to save her life. Many of Rosario's loved ones fear she's dead, but Antonio refuses to believe it.

Antonio finally admits to Emilio that he's loved Rosario for years. Paula begins to put the pieces together. Leonardo sends Arteaga a message.

Rosario wakes up and Fierro begs for her forgiveness. Antonio finds an ally in prison. Brandon gets closer to his sister's doctor.

Brandon and Arteaga find out who shot Rosario. Fierro vows to kill Tobías. Luis Enrique says goodbye to his second family.

Rosario puts herself at great risk to visit Antonio in jail, but her decision has serious consequences. Emilio and Paula return from Dubai.

While Peludo and his men are hunting her down, Rosario has a medical emergency. Paula overhears a phone call between Emilio and Natalia.

Arteaga is crushed by what he learns about his brother. Rosario makes a plan to break Antonio out of jail. A suspicious Paula follows Emilio.

Antonio and Rosario can't keep Emilio out of their relationship. Tragedy strikes when Brandon drives Eric home after a visit to their sister.

A grieving Rosario insists to Arteaga that she must attend her family member's funeral, while Peludo makes plans to attack her.

Antonio is wracked by guilt over his actions. Rosario vows vengeance for her brother. Paula meets with Tobías over a shared hatred of the same woman.

Paula continues to help Tobías while Emilio obtains fake passports and visas for Antonio and Rosario to flee to the United States.

Tragedy strikes once again for Rosario after a shootout at the cemetery, and her thirst for vengeance against Tobías grows even stronger.