The Coyote and the Snake

USA, 1970. Joe is driving his camper in the wide open spaces of the Wild West. He makes several acquaintances along the way: a small coyote, to start with, but also local thugs, F.B.I. agents, a U.S. Marshal, old friends who seem to be more or less trustworthy... But who is this good ol' Joe? Those who cross his path tend to see their life expectancy dangerously decrease...