Jay Austin is now a civilian police detective. Colonel Caldwell was his commanding officer years before when he left the military police over a disagreement over the handling of a drunk driver. Now a series of murders that cross jurisdictions force them to work together again. That Austin is now dating Caldwell's daughter is not helping their relationship.

In 1971, five college buddies from the University of Texas embark on a final road trip odyssey across the Mexican border before facing up to uncertain futures, in Vietnam and otherwise.

Rick Heller is a juvenile delinquent who keeps getting himself into trouble. To keep him out of trouble his mother puts him to work cleaning the cage of a gorilla named Katie which she is teaching to communicate through the use of sign language. When the owner of the gorilla takes her back to become a flea market freak Rick takes it upon himself to break Katie out and take her on an adventurous journey to get her out of the country.