Mermaid princess Meeshell knows that someday she will leave her sea kingdom and live on land with her prince, but a change in the tides leads her to attend Ever After High, where she wonders if she will be able to fit in.
Fated to be the next Rapunzel, Holly O'Hair has long hair while her twin sister Poppy wears hers short, but when Holly's hair begins getting shorter as Poppy's grows longer, the sisters may have to reveal a secret about their fairytale destinies.