Barbie and her best friends Teresa and Renee transform from hard-working gymnasts to undercover secret agents. When their amazing gymnastics skills catch the eye of a top-secret spy agency, the girls are soon following clues to a gem-stealing cat burglar, using high-tech gadgets, glam disguises and cute robo-pets to save the day.

Barbie and her sisters go to an island paradise for a dance competition, but they must work together as a team to find their pets after their furry friends go missing at a horse festival.