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.

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

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.

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.

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

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.

The brigade gives Molina a surprise. Fabio and Gerardo's big day arrives. Gloria and Ricardo's stars finally align. But amid all the joy, Hugo lurks.

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.

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

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

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.

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

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.

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

A month later, Poncho and Olivia make a joint decision, Gloria's sons play Cupid, Penélope's mom is released, and Gerardo makes a grand gesture.

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.

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

During a long drive to Morelia, Poncho and his dad share memories of good times and bad that each other missed out on during their separation.

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