Tritannus takes the Seal from the Pillar of Balance, causing everything in all of the worlds to become dangerously unstable, and shake up and fall apart as the result of Tritannus tampering with the second Pillar. Musa's home world Melody's singing whales that keep the world of all music and sound in balance suddenly disappear. And the Winx Club must fight both Icy and Tritannus as Darcy and Stormy are missing.