Forced to give up his land and home, Texas rancher Red Bovie isn't about to retire quietly in a dismal trailer park. Instead he hops in his Cadillac and hits the road with his estranged grandson for one last wild adventure filled with guns, women and booze. It’s just another night in Old Mexico.

A father and son become trapped in their grief when a family member dies. Over the years their relationship grows strained and cold until an old friend's return forces them to see the potential for a new beginning.