Calaena has embraced her true identity as Aelin Galathynuis, Queen of Terrasen. But before she can reclaim her kingdom and crown, she will have to fight. She will fight for her cousin who has and will sacrifice everything for her and their people, for the friend that is now trapped in an unspeakable prison, and for her people waiting for their queen's return. Everyone she loves is in danger and with a last of everyone being taken away from her, she has to maintain the heart of a queen.