After the battle of Al-Shaam - where the invading jinn army was defeated - Khadija Jacob and their friends are heroes. Then Khadija receives a letter: her sister Talia has been kidnapped and stolen into the magical realm of Al-Ghaib. Accompanied by Darian - who has been different since jinniya Queen Bidhukh's parting blow - Khadija embarks on a quest to rescue Talia. But Al-Ghaib where the sky is emerald green is a place of trickery: Khadija will have to keep all her wits about her if she's to outfox her sister's captor. . .