The band reunite after a 15-year break for one final concert.

Spinal Tap, one of England's loudest bands, is chronicled by film director Marty DiBergi on what proves to be a fateful tour.

Spinal Tap, one of England's loudest bands, is chronicled by film director Marty DiBergi on what proves to be a fateful tour.

Hollywood beckons for recent film school grad Nick Chapman, who is out to capitalize on the momentum from his national award-winning student film. Studio executive Allen Habel seduces Nick with a dream deal to make his first feature, but once production gets rolling, corporate reality begins to intervene: Nick is unable to control a series of compromises to his high-minded vision, and it's all he can do to maintain his integrity in the midst of filmmaking chaos.

An aspiring director and the marginally talented amateur cast of a hokey small-town Missouri musical production go overboard when they learn that someone from Broadway will be in attendance.