A roadie travels across North America with a punk band in the 1980s.
The story of the film begins after the events of the second season, at the graduation ceremony of the third-year students. Knowing that the graduation of the third-year members means the end of μ's, the nine girls take a walk around the school filled with memories. However, when the students attempt to leave the school gates, a single email is sent to them, and the curtain on a new story for μ's begins.
A rock n' roll loving woman who chased her dream is getting a chance to make things right.
After failing to make it on Broadway, April returns to her hometown and reluctantly begins training a misfit group of young dancers for a competition.