All-stars from the previous Step Up installments come together in glittering Las Vegas, battling for a victory that could define their dreams and their careers.

What begins as a documentary following the final tour of a dying magician - "The Amazing Johnathan" - becomes an unexpected and increasingly bizarre journey as the filmmaker struggles to separate truth from illusion.

A tight-knit group of New York City street dancers find themselves pitted against the world's best hip hop dancers in a high-stakes showdown.