At Alfea College, fairy warriors from all over the universe study and train to improve their magic powers. Bloom, a girl from Earth, joins them after discovering her own special abilities.

At Alfea College, Stella, Aisha, Flora, Musa, and Tecna all graduate and become fairy guardians of their home planets. But, Bloom must watch graduation from the sidelines. The Winx try to save Bloom's parents and the planet.