Isa, reeling from the death of Pamela, finally quits the off-the-books investigation into Lalo. She starts to go off the rails. She pursues vengeance in her own dangerous way against those who hurt Pamela. And at a dinner party at her house, she takes a risky act with Lalo. Isa's fiancé Boyd keeps pursuing his investigation into PENUMBRA, Wayne's fictional asset. And Wayne takes a trip to Costa Rica, and via flashbacks, his tragic past is revealed, as well as his bond with Bautista and the real reason of his obsession. Meanwhile, Bautista, disoriented with fever, feels like he's lost his path to victory. He tries to find answers in the hills of Guerrero. He comes up with a plan that will affect both Lalo and the entire country of Mexico.