In a world where superpowered people are heavily policed by robots, an ex-con teams up with a drug lord he despises to protect a teen from a corrupt cop.

Pleasantly plump teenager Tracy Turnblad auditions to be on Baltimore's most popular dance show - The Corny Collins Show - and lands a prime spot. Through her newfound fame, she becomes determined to help her friends and end the racial segregation that has been a staple of the show.

An accomplished TV travel host is gifted a heart-shaped hourglass which gives her a second chance to revisit her past. She eventually has to choose between a new life or the life she knows before the sands of the hourglass run out.