One day Jean-Baptiste Beauregard (Pierre Curzi) does not go out to face work or daily activities, instead he daydreams about the women in his past, about his teenage years, his failed marriage, and even his boyhood desires. His mental images follow each other across the screen, revealing that the women in his life are all the same (different wigs and costumes on the same actress), and his love life never changes either. This sameness can have a dulling effect on the viewers, indicating that if Jean-Baptiste's reminiscences were trimmed and his daydreams more varied and exciting, he would hold interest a little longer.
A man wanders out of the desert not knowing who he is. His brother finds him, and helps to pull his memory back of the life he led before he walked out on his family and disappeared four years earlier.
A down and out young punk gets a job working with a seasoned repo man, but what awaits him in his new career is a series of outlandish adventures revolving around aliens, the CIA, and a most wanted '64 Chevy.
"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.