Sylina has sacrificed everything for her goddess-her soul, her freedom, her eyes. Life in service to the Arachessen, a cult of the Goddess of Fate, has turned Sylina from orphaned street-rat to disciplined killer, determined to overthrow Glaea's tyrannical king. But when a brutal vampire conqueror arrives on their shores, Sylina faces an even deadlier adversary. She's tasked with a crucial mission: infiltrate his army, earn his trust... and kill him....

Tras haber superado más pruebas de las que un corazón humano puede soportar, Feyre regresa a la Corte Primavera con los poderes de una alta fae. Sin embargo, no consigue olvidar los crímenes que se vio obligada a cometer para salvar a Tamlin y a su pueblo, ni el perverso pacto que forjó con Rhysand, el alto lord de la temible Corte Noche. Mientras Feyre es arrastrada hacia el interior de la oscura red política y pasional de Rhysand, una guerra...