While Fantaghiro stays in the Forest of Oread and while Romualdo, Ivaldo and Cataldo are in the kingdom of Dana, the Black Witch conjures the terrible Black Cloud and sends it to the kingdom of Tuan, where it swallows Fantaghirò's castle completely. Fantaghirò teams up with the Dragon and the White Fairy to prevent the Black Cloud from reaching Dana and redirect it towards the Mountains of the Eternal Eclipse, the only place where it can be defeated. Meanwhile, concerned about the fate of Fantaghiro and the inhabitants of Tuan, Romualdo, Cataldo and Ivaldo try to reach this kingdom...