The events take place after the seventh season. The adventure continues for the Winx Club fairies. A new year begins at Alfea for the Winx while Magix is the target of an attack. The Specialists give their first lessons at Red Fountain and a party is organized at the fairy school to bring together all the magic institutions. However, the return of the Winx's oldest and most formidable adversaries spoils the party. The Trix resurface and form a new alliance. Their new goal: to seize the magical powers of the Winx using an ancient and forbidden spell. The Winx do everything they can to counter the witches. They are joined by the Specialists and their friends from Alfea, Daphne, Mirta and Roxy in this fierce battle. The Winx must dig deep into their hearts to discover the oldest magic, the Enix power, and unlock the secrets of the elders of Alfea and other schools. However, the arrival of newcomers and the appearance of a forgotten character turns the tables for both fairies and witches. Embark on a new adventure with the Winx Club!