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 face the labyrinth in the temple; Jacob and Kate confront Scott's transformation.

Seth and Richie find they've been double-crossed; the Fullers confront their demons.