The archenemies of the Winx Membership, the Trix witches, workforce up with the evil nymph Politea and discover out that, to defeat the fairies as soon as and for all and develop into invincible, it takes little or no: a Pearl hidden within the Deep of the Infinite Ocean! As small as highly effective, the Pearl of the Depth provides huge powers to those that possess it! For the Winx there may be not a minute to waste: how will they cease the plans of their enemies earlier than it is too late? Prepare: probably the most harmful mission of the Winx is about to start!
