When an international border dispute arises between the U.S. and Canada, the Super Troopers- Mac, Thorny, Foster, Rabbit and Farva, are called in to set up a new Highway Patrol station in the disputed area.

The brutal former heavyweight boxing champion Cleon "Slammin'" Salmon (Duncan), now owner of a Miami restaurant, institutes a competition to see which waiter can earn the most money in one night: the winner stands to gain $10,000, while the loser will endure a beating at the hands of the champ.