Billie Alvarez is your average punk-rock-loving high school senior who just wants to hang out with her best friend, Rex, and get her ex-girlfriend back. In a half-baked attempt to impress her by auditioning for the lead part in the school musical, Billie gets turned down because she's a girl trying out for a traditionally male part. When her online rant about the school being homophobic goes viral, she must navigate her newfound fame along with the typical drama that comes with getting through high school.