A shy princess discovers a secret door in her kingdom and enters a magical world full of magical creatures. She meets a mermaid and a fairy who tell her about a spoiled ruler threatening them.

Tori is a blonde princess who is bored of living her royal life, and has dreams of becoming a popstar. Keira, on the other hand, is a brunette popstar who dreams of being a princess. When the two meet, they magically trade places, but after realising it is best to be themselves.