Forced to abandon his ranch and land, Red Bovie (Robert Duvall) rejects the impulse to become complacent in his old age, hops in his Cadillac, and hightails it to Mexico. Gally (Jeremy Irvine), Red's grandson, whom he has just met, sits shotgun on his grandfather's brash adventure in an attempt to learn more about him. They begin a journey through their respective dreams with a frenzied stop in a Mexican town where they meet Patty (Angie Cepeda), who sees in them the hope for a better life. All of them are accidentally involved in the lives of some shady men (Luis Tosar, Joaquin Cosio, Jim Parrack). "A Night in Old Mexico" is a road-trip movie, a story about the virtue of surviving, and parable about the right of each individual to choose their own ending.