The Devil Made Me Do It

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.

The arrogant, third most-wanted criminal in Taiwan, decides to get rid of the top two competitors and crowns himself the most-wanted criminal before dying.

While treating a policewoman for smoking, hypnotherapist Michael Strother has a telepathic vision of a young girl floating beneath the surface of a stream. The escaped victim of a ritualistic serial killer, the girl has become mute, and Michael is called upon by Scotland Yard to unlock the secrets she holds in order to catch a man who believes he has discovered the key to immortality.

The film discusses the traits and originators of some of metal's many subgenres, including the New Wave of British Heavy Metal, power metal, Nu metal, glam metal, thrash metal, black metal, and death metal. Dunn uses a family-tree-type flowchart to document some of the most popular metal subgenres. The film also explores various aspects of heavy metal culture.