The film follows the fictional British heavy metal band Spinal Tap, which has been around for decades but is struggling with declining popularity. A documentary crew follows them on their North American tour to capture their comeback.

Key events and comedic highlights include:

• Band Members:

  • David St. Hubbins – lead vocals, guitar

  • Nigel Tufnel – lead guitar

  • Derek Smalls – bass guitar

• Guitar amplifiers that go to 11:** Nigel proudly shows off his amp that goes “one louder” than 10, poking fun at rock band absurdities.

• Tour disasters: The band faces multiple mishaps like getting lost, losing drummers mysteriously, and bizarre stage set problems.

• Failed comeback album: Their new album, Smell the Glove, is controversial due to its offensive cover art.

• Comic exaggeration of rock culture: Their concerts are often over-the-top and hilariously mismanaged.