Barbie stars as Lumina, a mermaid who dreams of being a princess.
As long as she can remember, she's had a magical power that makes
pearls dance and glow! Lumina, and her best friend Kuda, a pink
seahorse, embark on an adventure to a majestic mer-kingdom. There,
she uses her powers to help her friends prepare for the Royal Ball.
Lumina then ...