Celaena travels to Wendlyn, where she must train as a Fae with the immortal warrior Rowan Whitethorn. Tensions high between them, the pair have to work together to stop evil forces from rising, as well as learning to accept herself as the Queen of Terrasen. Meanwhile, in Adarlan, Chaol teams with General Aedion Ashryver to rebel against the king. Manon Blackbeak, an immortal witch, competes in a competition against other witches in order to become the leader of the clan.