Gib, a beer-guzzling slob, and Alison, an uptight Ivy-Leaguer, are an unlikely duo stuck together on a cross-country trip during Christmas break. At first they get on each other’s nerves…

“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…

The now estranged bandmates of Spinal Tap are forced to reunite for one final concert, hoping it will solidify their place in the pantheon of rock ‘n’ roll.