Matt sets out to live his dreams of becoming a world champion fighter. He meets Happy McBride, a washed up has-been, who takes him under his wing and introduces him to the underground world of MMA fighting. Matt fights his way to the top but then finds that love throws a stronger punch when he falls for Happy's daughter Nikki.

Camp Sasquatch will be bought out and closed unless owner Coach Giddy wins the boxing competition scheduled for the end of the summer. Tough city punk Flash, who's performing his community service time at the camp, is the coach's best hope. Flash reluctantly offers to help and so must use his raw sparring talents to get a motley group of adolescent misfits into fighting shape, while also trying to win the heart of pretty Cheryl.

The Police Academy misfits travel to Miami Beach for Commandant Lassard to be honored with a prestigious lifetime award pending his retirement. Things take a turn when Lassard unknowingly ends up in possession of stolen diamonds from a jewel heist.

"This Is Spinal Tap" shines a light on the self-contained universe of a metal band struggling to get back on the charts, including everything from its complicated history of ups and downs, gold albums, name changes and undersold concert dates, along with the full host of requisite groupies, promoters, hangers-on and historians, sessions, release events and those special behind-the-scenes moments that keep it all real.