Headstones singer plays actor in Canadian band on road tour

"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.

A naive Canadian barber who knows US popular culture inside and out meets a flamboyant roadie who needs someone to drive her and her "brother's" corpse from Thunder Bay, Ontario to New Orleans. Chaos ensues after the barber agrees to drive her, the corpse, and the drugs stashed within all the way.

Four bearded, hairy rock musicians - and Belgians - bury the singer of their group. Out of friendship and to prove to itself that nothing can stop them, they decide to leave on tour to Los Angeles with its ashes. The day before the departure, a serviceman with a moustache appears as the lover of their friend. Their journey takes an at least unexpected tour ...