Robber Seth Gecko and his violent, unpredictable brother, Richard 'Richie' Gecko shoot their way south after a bank heist in Abilene, Texas.
The Gecko Brothers flee the liquor store with Ranger Freddie Gonzalez following. Richie's visions escalate. The Geckos nearly collide with the Fullers, a troubled family making their own desperate journey to Mexico.
While Richie deals with his visions, Seth and Carlos plan to cross the border. Meanwhile, the Fullers' RV breaks down and Ranger Gonzalez asks for help.
The Gecko brothers attempt to leave the hotel and take the Fuller family hostage, but Freddie arrives and complicates the situation.
Seth escapes the motel and leads the Fullers' RV to the border. Meanwhile, Richie deals with an irrational fear; and Jacob is determined to get his children safely across the border.
The Gecko brothers and the Fuller family find themselves in over their heads whilst Seth's deal with Carlos might not happen after all.
Gecko brothers and the Fuller family are watching the Santanico Pandemonium as Ranger Freddie Gonzalez shows up to exact revenge.
As Santanico tries to turn Richie to her cause, Freddie confronts Carlos about his destiny and the temple's mysterious past. Seth, the Fullers, and Sex Machine battle their way deeper into the temple, where they meet an unexpected ally.
Seth and Richie have to attempt the temples labyrinth. Jacob and Kate confront Scott about his transformation. Freddie follows a new lead in the case.
Seth and Richie defeat the labyrinth only to find they've been double-crossed, leading to a climactic clash with Carlos and Narciso. Meanwhile, the Fullers confront their own demons, and Freddie makes a fateful choice.
The Geckos have been demoted to “collectors”, while their organization has been infiltrated by a mysterious new enemy hell-bent on destroying them, the Lords, and all culebras.
Seth and Richie seek help from Santanico; Freddie and Ximena have an encounter with Brasa.
Freddie Gonzalez teams up with an old enemy; Seth and Richie track down an ancient hunter.
Ranger Freddie Gonzalez teams with an old enemy; the Geckos must defend against the Jaguar Warriors.
Seth and his team protect civilians from cannibal attacks.
Richie wakes up in an abandoned asylum after being abducted; Seth goes to save Richie.
The team falls victim to a female Xibalban demon.
Santanico returns with a secret and leads the Geckos to Lord Venganza.
The Geckos are going after Amaru, as she plots to regain her true form and open the gates of Hell.
As Kate nears death, the team races to defeat Amaru and seal the gate to Xilbalba.
