To the Los Angeles elite, Ford Fairlane is known as "Mr. Rock 'n' Roll Detective." This loudmouthed ladies' man serves an exclusive rock star clientele, who depend on his keen eye and smug discretion. So when a heavy-metal musician dies mid-concert, Fairlane is on the case before the lights come up. But things turn shocking when radio personality Johnny Crunch hires Fairlane to find a missing groupie mere hours before he is electrocuted live on air.

After his father's death, a young boy finds solace in action movies featuring an indestructible cop. Given a magic ticket by a theater manager, he is transported into the film and teams up with the cop to stop a villain who escapes into the real world.