Haunted by guilt, Emmeline and Rainier, the King and Queen of Vesta, fight to hold a besieged city and protect the people they love, even if they may never see each other again.
Far across the continent, Princess Elora must master her newfound abilities and her grief while the breach with her mother stays unhealed and a venomously handsome prince-turned-king troubles her heart.
No word has come from Lavenia, and the dragon who traveled with her has taken a dangerous turn, yet Em and Rain still hope she lives and can charm the tempestuous Sea Queen into allying the seaborn to their cause.
As trusted soldiers fall and the Supreme reaches for an heir to the Umbroth throne, Nor's safety becomes the charge of Dewalt, her most constant adversary, whose guarded heart may yield to their closeness or remain ruled by fear.
With the leader of the Myriad joined to the Nythyrian queen, desperate alliances and necessary sacrifices push Em and Rain to petition a god for favor, and favor may still not be enough to free the Three Kingdoms from war.