Harriet, a frustrated spinster flees her unrewarding life in America hoping to discover the passion in her soul. Ambrose Bierce, the Old Gringo, is a retired journalist and adventurer who wanders through the hostile desert seeking some meaning to the last years of his life. Arroyo, a fiery young general, is driven by both the Revolution and his desire for Harriet. Set in the spectacle of the Mexican Revolution, their lives become inexplicably drawn...