In a far-off galaxy, Barbie lives on a beautiful, hoverboarding planet filled with stunning landscapes and sky-bound adventures. As a skilled hoverboarder with her adorable companion Pupcorn, she enjoys life surrounded by dazzling stars and vibrant colors. Her peaceful existence takes a turn when she is summoned by the King of the Galaxy, who is troubled by the stars' dimming light. The King explains that the stars' energy purifies the galaxy, and their fading could lead to catastrophic consequences. Barbie, known for her courage and talent, is chosen to join a special rescue mission alongside a team of talented individuals from different planets.

The team's objective is to travel to the Center of the Universe to restore the stars' brightness by tapping into their latent power. Throughout the journey, Barbie forms strong bonds with her new friends, each possessing unique skills vital to their success. They face numerous obstacles and tests of character as they work together to save their galaxy. Along the way, Barbie discovers hidden strengths within herself and learns the true meaning of teamwork and perseverance.