Mocked by Violetta for her embarrassing athletic performance, Mia yearns to retreat from school to the more idyllic land of Centopia. But this time, she has to solve a puzzle to figure out the password. Vincent, a fellow outsider, gives Mia the help she needs but nearly discovers her secret. In Centopia, Mia discovers Phuddle's dissonant Trumptus is more than meets the ear. Thanks to her help, the elves have a new reason to be hopeful.