Asthmatic teenager Barry Gabrewski is a daydreamer. Troubled by bullying, he escapes into a fantasy world where he is the sidekick to his martial arts hero, Chuck Norris, in a series of high-octane adventures taken right out of his movies. With help from his teacher's wise old uncle, Mr. Lee, Barry learns the finer points of martial arts and enters a karate championship.

When a money mule has a fatal heart attack at a Nevada brothel, the contents of the money vest is hidden by Irene. Her regular customer Johnny is her best bet to be able to retire early.