Three years before the fire, Borges escapes one prison only to end up in another alongside his brother Diosito. Emma starts her first day of work.
A call from the prison demanding ransom for a fake kidnapping ends fatally. A threatened Patricio meets with El Sapo. The warden offers Borges a deal.
The guards search for a missing Ontiveros. Borges, Diosito and Patricio try to cover up a crime. El Sapo celebrates his daughter's 15th birthday.
Borges and his men worry that El Sapo will retaliate because of the call center attack. The police investigate San Onofre.
Borges and El Sapo confront each other as tensions rise among their groups and Cuis gets involved. Emma discovers more about the prostitution ring.
Camila confesses the truth about her husband's murder, but Patricio remains in trouble. While El Sapo is gone, Morcilla and Borges consider a ceasefire.
Emma reports the prostitution ring to Garófalo, who takes action. Diosito receives a disturbing letter. A riot begins in the prison.
Diosito helps save Patricio. Rita's life is in danger, along with many others', as the riot intensifies and leaves multiple victims wounded and dead.
Mario cuts two deals: one to look out for a young privileged newbie in exchange for freedom for himself and Diosito, and the other with a vicious narco.
Mario assigns Diosito to take care of the newbie, Moco, but Diosito decides to give him a crash course in criminality. Emma suffers post-riot trauma.
Mario falls behind on his narco debt and forces his prison chemist into new heights of creativity. Meanwhile, Moco gets high to drown his troubles.
The new business is going well but Diosito is devastated when he learns Mario's been keeping information from him. Moco realizes he's in danger.
Pantera, Mario's personal prisoner, is released by a rival faction and wreaks havoc on the Borges' enterprises. Emma falls deeper into addiction.
Mario has a catastrophic business setback. Diosito, who survives a near fatal beating, brutally confronts him. Moco realizes he's on the wrong side.
Mario and Diosito continue to argue while Moco, now without protection, makes a decision. After a prison crackdown, Bruni masterminds a takeover.
Bruni uses Pantera as his personal attack dog against the Borges while the chemist, Tubito, stalks Emma. Rival prison authorities fight for control.
Jailed ex-policeman Miguel Palacios is tasked with infiltrating a Buenos Aires prison to help a judge find out who kidnapped his daughter.
Pastor Pe?a continues to develop his plan to get closer to the Borges brothers. Meanwhile, his own brother brings him unexpected news.
Pastor struggles to make contact with Luna. Emma is threatened when she tries to tell the truth about Diosito. Fernando confronts Lunati.
Diosito starts to get suspicious of Pastor and his intentions. An inmate's depression worsens. Lunati demands he get his daughter back.
Luna's transfer from the prison becomes an increasingly dangerous endeavor. Lunati follows through on his threat. Pastor comforts Emma after a loss.
Pastor learns troubling news about his family. The attorney general begins an investigation into recent incidents in the prison.
A flashback reveals more about Pastor's past life as Miguel. In the present, Pastor is consumed by the need to find his missing son.
Antín makes good on his promise, but adds a few conditions. Emma's assistance in Pastor's search for his son leads her to a shocking discovery.
Vengeful behavior runs rampant in the San Onofre prison and the stakes couldn't get any higher. Antín worries he has lost control of his inmates.
Emma checks in on Pastor's mother. The feud between the Borges brothers and Sub 21 continues while Antín worries his lies will catch up to him.
Gastón raises the pressure on the warden. Emma finds a lead while looking for Pastor's son. Borges plots his revenge on Sub 21.
A prisoner remembers Pastor from his days as a police officer. Gastón is intrigued by rumors about Pastor and Emma's romantic relationship.
Pastor continues to plan his escape but Emma is concerned he is putting himself at risk. More people learn about Pastor's real identity.