Kiki flies solo on a risky undercover operation. Félix turns to his mentor for advice as conflict between the cops and the traffickers escalates.

After months of frustration, Kiki seizes an opportunity. Rafa runs afoul of powerful government officials, putting Félix in a difficult position.

María implores Félix to move back to Sinaloa. Kiki gathers evidence of the Guadalajara cartel’s pot fields. Neto mourns.

After the DEA closes in on Rafa's enormous pot field, Félix tries to stop his associates from retaliating. Kiki and Jaime meet with investigators.

A desperate Jaime is stymied by bureaucratic paperwork. Mika worries about her husband. Félix urges Rafa to disappear.

As pressure mounts, Félix returns to Sinaloa. An enraged Jaime and Mika seek justice and answers.

While celebrating his 40th birthday, Félix worries about his associates' loyalty and confronts Pacho. Walt and his team plan retaliatory kidnappings.

Multiple advisers counsel Félix to go into hiding as the Americans close in on the men involved in Kiki's murder. Amado helps Acosta resolve a feud.

Zuno testifies in front of a grand jury. Isabella tries to broker a deal with Enedina. Félix makes a daring offer to a U.S. contact.

Félix meets with a political leader. Benjamín takes a stand when the Sinaloa and Tijuana rivalry intensifies. Walt's team turns its attention to planes.

Félix proposes a new plan to help the PRI win the election and defeat Cárdenas. Promised intel on Félix, Walt takes an unexpected meeting in Ojinaga.

Félix stakes the future of his entire cartel on the delivery of 70 tons of cocaine as Walt and the DEA plan to topple the kingpin's empire.

After meeting with Pacho, Félix presents the plaza bosses with a new business plan. Walt receives a surprising invitation.