Ten years after Adarlan’s invasion of Terrasen, Aelin has reclaimed the throne and begun rebuilding the kingdom, believing her younger twin sister died the night their family was separated. But her sister survived and was raised in Doranalle alongside their cousin Aedion, eventually becoming a skilled and powerful Fae warrior. Now married to her childhood mate, Caelan, and living in Wendlyn, she has built a life far from the kingdom she once called home. When Aedion reveals the truth to Aelin, the lost princess must decide whether to return for her sister’s coronation. As she struggles with the fear that Terrasen may no longer have a place for her, two sisters separated by war finally stand on the threshold of finding each other again.