A motorist discovers a man's body alongside the highway with his genitals on fire. The investigation propels detectives on an odyssey through a rowdy world of Texas prostitutes and drugs; when a hard working Mexican migrant supporting his young family is found dead in a parking lot, detectives can't find a motive. As their investigation deepens, they must navigate a complex web of family ties and loyalties to identify the killer and catch him before he flees the country.