Barbie is a cosmic princess who flies high on her hoverboard through a far-off universe with her adorable and devoted pet sidekick, Pupcorn. One day, everything changes when the twinkling galaxy stars start to dim and slow their dance in the sky. Barbiea travels to a beautiful new planet to join a special rescue team on a mission to save the stars. Once there, she teams up with a group of talented new friends who work together to save the universe through exciting hoverboarding adventures. Barbiea soon discovers that if she listens to her heart, and with the help of her friends, she might be the leader the whole universe has been waiting for!