"Armed with the power of the Dragon Flame, the Trix aim to conquer all of Magix. The schools, even Cloud Tower, unite to fight them. The Winx and Sky are determined to help Bloom get her powers back. But it's only with the help of her ghostly sister, Daphne, that Bloom recovers the Dragon Flame. In a final battle, Bloom and the Winx defeat the Trix. With order restored, the witches are imprisoned in Lightrock Monastery."