Chilean drug chemist Cockroach brings his product to Colombian smuggler Pablo Escobar. DEA agent Steve Murphy joins the war on drugs in Bogota.

Communist radical group M-19 makes a move against the narcos, while Murphy gets an education in Colombian law enforcement from his new partner Peña.

Murphy encounters the depths of government corruption when he and Peña try to derail Escobar's political ambitions by proving he's a narco.

Despite a new extradition treaty, the U.S. puts more money into fighting communism, creating new challenges for Murphy and Peña in the hunt for Pablo.

Pablo's extreme methods put the narcos on the brink of war with Carillo and the government. Peña tries to protect his witness, Elisa.

Peña and Carillo close in on Gacha, while Murphy tries to protect pro-extradition candidate Gaviria from a notorious assassin connected to Pablo.

Pablo goes into hiding as the political tide turns against him, but he finds a way to strike back. Murphy and Peña finally get the CIA to help them.

A tragic mistake forces the government to change tactics in the fight against Pablo. But Pablo faces bigger threats from inside his empire.

The hunt for Pablo seems to be over after he makes a deal with the government, but Murphy and Peña -- and the Cali Cartel -- have other plans.

Pablo's activities in prison provoke the government into taking extreme action. Murphy and Peña face a situation of their own.

In the aftermath of a massive military effort to take Pablo into custody, the family reunites while enemies worry. Steve and Connie fight about safety.

Tata gets impatient with life on the run. Pablo responds to President Gaviria's reward offer. Steve and Javier meet their new boss.

President Gaviria has a new job for an old colleague. The Search Bloc's new tactics shake up Pablo, but also unsettle Steve and Javier.

The Cali cartel discusses moving in on Pablo's territory. Limón proposes a plan to Maritza. Tata gets a gun for protection.

The Search Bloc gets a new leader. Javier loses faith in the system. Pablo brings Tata's brother Carlos down from Miami to cheer her up.

The newly-formed Los Pepes want to destroy Pablo and his empire. Tata's brother urges her to leave and seek safety with her children.

As the danger intensifies for the Escobars, Pablo sends his family to another country. Gaviria weighs the opportunity to use them as leverage.

Colombia begins to turn on Escobar after his latest terrorist attack. Tata receives help from an unlikely ally. Quica gets increasingly anxious.

Pablo is reunited with an estranged family member. Judy Moncada's life is put in danger. The DEA and CIA clash over how to handle Los Pepes.

Javier deals with the repercussions from Judy's interview. Tata tries to convince Pablo to surrender for the sake of his children.

The Gentlemen of Cali gather their associates together for a big surprise announcement about the future of their business.

A gas incident threatens to disrupt the Cali-government deal and Jorge is asked to help out. Peña grapples with his former Los Pepes connection.

The Rodriguez brothers go into hiding during negotiations. Pacho meets with the Lord of the Skies in Mexico. Peña's new DEA team visits Cali.

Peña hatches a plan to try to capture Cali leader Gilberto Rodriguez. Amado proposes a business idea to Pacho.

Paranoid about leaks, Miguel cracks down on his security. Pacho makes a decision about his new offer. Peña works on cultivating a witness.

Jorge takes a dangerous risk. An accident in New York threatens to expose Chepe. Peña travels to Curaçao to arrest a potential witness.

Peña plans another covert operation to take down a key Cali cartel member, but he risks running out of time during his search.

David seeks revenge on behalf of his father, putting Enrique in danger. Peña asks Don Berna for help on a rescue mission.

David follows his suspicions. Peña is shocked to discover the depth of corruption in the Colombian government. Miguel is sought after once again.

David and Peña are in a race against each other to find Pallomari. Peña makes a serious decision about the future of his career.