Watch VoirFilms. Joanne, lead singer of the once-popular 1990s Britpop band the Filthy Dukes, mistakenly enrolled in university after a drunken night out with her friend Sara. Determined to give the young students a run for their money as a party animal, she finds they aren’t interested in rock ’n’ roll. However, love and new beginnings might be on the cards for rocker Joanne.