Everyone has 'moved on', except for Sherman and Jim Levenstein's still understanding father. Little Matt Stiffler wants to join his older brother Steve's business and, after everything Matt has heard from Jim's band-geek wife, he plans to go back to band camp and make a video of his own.

Following her sister's disappearance, Jax and her niece Roki must stick together. Desperate to keep what's left of their family intact, Jax and Roki defy the law and hit the road on a journey to the Grand Nation Powwow in Oklahoma City.