The conclusion to the trilogy that includes Delirium (2011) and Pandemonium (2012) is fraught with high-stakes action and gripping emotion. It's not Lena's journey alone this time around. Her story alternates with that of Hana, Lena’s best friend, who was cured of love and struggles to come to terms with her role in Lena's disappearance and her own upcoming marriage to a powerful and frightening young man. Lena, having fled to the Wilds with a band of resistance fighters, is faced with struggles of her own. Revolution is inevitable, and if she is to survive, Lena must reconcile her passion for the rebel cause with her deeply conflicted heart.