After finishing their joint tour with Annabelle and Louise, the Winx look over Peter's farewell letter to Wendy in which he asks her to look after their son Matt Barrie. In London, they look for Matt at the place where he worked, but he was fired. Meanwhile, Bloom is haunted repeatedly by illusions of a costumed woman named Vertigo. She is influenced to attack her friends, but is able to break free from the illusion and defeats Vertigo by accepting and embracing the dark parts of her self. But Tinkerbell is net yet done, as she calls forth the evil projection of Musa: Banshee.