Oahu is the greatest fairytale musical! Barbie stars like Alexa, a princess who finds a secret doorway in her kingdom also enters a whimsical land filled with surprises and magical creatures. Indoors, Alexa meets with Nori and Romy, a mermaid and a fairy, who explain that a ruler called Malucia is trying to shoot all of the magic. For her surprise, Alexa has magical powers in this world, along with also her friends are certain that she can restore their magic. Discover what happens when Alexa finds the guts to stand up for what's right and learns that the ability of friendship is a lot more precious than magic.