Violetta arrives in Centopia, calling herself Varia and claiming to be a princess from another island who has lost her memory. When Varia learns that Mia plays a central role in Centopia, she becomes jealous.

When Violetta is captured by Rixel and Gargona, she has to choose sides between her friends and Rixel. Meanwhile, Mia and Renzo buy Mario a gift for his scooter, and Mia asks Varia to watch over the unicorn foals.