Miguel, a former Argentinian cop, is sent by a judge to get into a prison in order to find the kidnapper of his daughter as a result of a favor. Once in there, he changes his name to Pastor Peña, and tries to survive by gaining the confidence of the recluses. Meanwhile, the Superintendent of the Prison, a social psychologist and one of the most important recluses, who controls the prison from inside are part of this big mafia structure.
Diosito comes to Patricio's assistance. The riot puts many lives in danger, with many sustaining serious injuries or facing death.
Bruni and Pantera along with the Sub 21 take Diosito and Borges to the tree patio where a coffin and a grave await them. The revolt in San Onofre will bring many changes to the prison.
Emma reports the prostitution ring to Garofalo, who takes action; Diosito receives a disturbing letter; a riot begins in the prison.
Borges and his men worry that El Sapo will retaliate because of the call center attack; the police investigate San Onofre.
Estela is presented as an intervener of San Onofre in front of the inmates. Borges and his band dismantle the laboratory, preparing for the exit of the prison but Lunati has other plans for them.
Camila confesses the truth about her husband's murder, but Patricio remains in trouble; while El Sapo is gone, Morcilla and Borges consider a cease-fire.
Borges and El Sapo confront each other as tensions rise among their groups and Cuis gets involved; Emma discovers more about the prostitution ring.
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.
Diosito wants revenge on Marquitos for stabbing Cristian. Meanwhile, Borges celebrates that the business is going better than ever, and even lets Cristian take a line of coca.