In 'The Kingdom of Copper', sequel to 'The City of Brass', Nahri's life has been transformed since her accidental summoning of Dara, a powerful djinn, catapulting her into Daevabad's courtly intrigues. As she contends with her newfound royal position's obligations and dangers, external threats brew. Meanwhile, Ali, having defied his father, is banished and must survive using gifts from the mercurial water spirits, the marid. Their gifts could expose secrets that would shake his lineage. As Daevabad approaches a new century, with djinn gathering for celebration, an unseen threat from the north looms, promising fire and seeking the aid of torn warriors. Against a backdrop of ancient magic and political turmoil, Nahri must navigate a gilded prison while Ali faces his heritage; both their choices will determine the fate of a kingdom.