After the PTA of a conservative high school in Indiana bans same-sex couples from attending the annual prom, a gang of flamboyant Broadway stars try to boost their image by showing up to support two lesbian students.

The story follows a young girl named JoJo whose life is turned upside down when her beloved dance coach decides to retire and is replaced by a sparkle-hating instructor named Poppy. Wanting to stay in the running for an upcoming dance competition, JoJo and her best friends, The Rubies, must try their hardest to abide by Poppy’s new, harsh rules. Realizing she cannot hide her sparkle or bow anymore, JoJo is kicked out of her dance troupe and must rediscover what dancing means to her.