A rookie firefighter recalls how the recent murder of his brother spurred him to join the fire brigade. Meanwhile, a prisoner is released after 25 years.

The brigade's lone female firefighter decides to introduce herself properly to Poncho. Ricardo locates his living son and starts spying on him.

Demons from Julián's past affect his job performance and endanger a co-worker. Convinced the new station captain is a murderer, Poncho forms a plan.

Poncho and Olivia go to McAllen to talk to the lawyer who defended the alleged Butcher of Reynosa. Mayte finds a photo of her boyfriend in Fabio's room.

In Texas, Poncho meets a man who claims Ricardo was his old friend. Gerardo's parents pressure their son to marry Mayte. Penélope tries to help Julián.

Rosario develops a medical worry. Olivia experiences a strange interaction with her boss. Molina follows Ana's estranged husband and confronts him.

Mayte meets with her boyfriend, eager to hear what he has to tell her, and later attends her singing audition. Olivia comes up with a fundraising idea.

A flashback reveals that Ricardo's wife had a stalker. The woman Poncho rescued reveals shocking information. Sparks fly between Gerardo and Fabio.

Olivia and Poncho argue over whether to trust Leonora. Molina receives a racy proposal. Ángel tells the fire brigade about their boss' masquerade.

Gloria interrupts Ricardo's disciplinary meeting. Rosario struggles to hide her diagnosis. Fabio and Gerardo throw a grand opening party.

A flashback reveals events immediately prior to the car bombing that killed Artemio Román and Elías Solórzano. Penélope finds out Rosario's secret.

The brigade is called to the scene of a mass accident, where emotions run high and Poncho sees his father in a new light. Rosario's mother arrives.

Gerardo meets Fabio for dinner and gives him a gift. Molina introduces Ana to photographer Gabi. Poncho and Olivia visit the orphanage in Reynosa.

In a flashback, Isabel receives a tip about her boyfriend. Fabio tells his mom about the kiss. Julián revisits Rosario to offer his support.

Cryptic text messages direct Ricardo and Olivia to Poncho's location. Mayte arranges a sexy surprise for Gerardo. Julián finds out Ángel is struggling.

In the past, Isabel pays a price for her discovery. Rosario educates her followers about chemotherapy. Worried about Penélope, Gloria does some digging.

A flashback reveals a connection between Solórzano and Hugo. During a storm, Julián must deliver a baby. Penélope finally opens up to Gloria and Fabio.

Olivia receives another anonymous text message. Fabio gives Mayte advice she doesn't want to hear. Ricardo talks to Gloria about the kiss they shared.

A flashback reveals more details about Flor's death. Rosario's chemotherapy starts to take a toll. Leonora has Olivia's and Poncho's histories checked.

In the recent past, Solórzano receives orders from Hugo, and Olivia has a complicated relationship with her father. Ángel's dad undergoes surgery.

Poncho explains his criminal past to Leonora. Gloria's visitor delivers news that sends her reeling. Olivia attempts a daring escape from her captivity.

Penélope brings comfort to a grieving Ángel. Luis follows Ana to her new home. The brigade fights a risky apartment fire involving a gas leak.

Disillusioned with Poncho, Olivia returns to her father's home, unaware Leonora is following her. Gerardo melts away Fabio's frostiness toward him.

While his parents cheer Mayte's announcement, Gerardo starts to have a panic attack. Leonora spies further on Noé. Olivia seeks comfort from Ricardo.

Leonora faces the Butcher of Reynosa. Erick tells Gloria about his mom. At the ball, a drink is spiked, a serenade is sung, and many scenes are made.

Poncho awakens to a horrific sight. Gerardo is visited by his mother. Julián meets Fátima's parents and realizes he's starting to heal from his past.

After talking to his son in jail, Ricardo begins to suspect Olivia. Ángel asks Penélope why she ran away at the ball. The brigade is offered a side job.

The police arrest Olivia, but not everyone is buying her confession. Erick prepares a special dinner for Rosario. Gerardo is disowned by his father.

The brigade frantically searches through the rubble for Molina. Ana takes her child away from her drunk ex. Erick accompanies Rosario to her surgery.

Poncho and Olivia's passion for each other rekindles. Mayte's anger becomes violent. Ricardo investigates Olivia, whom he suspects is hiding something.