One choice. One bite. Two fates rest in the balance. After the harrowing events with the People of the Night, Luna and Sebastian deal with the aftermath of his decision. In a land full of vampires, finding happiness has never been more challenging. Their troubles are far from over. When Queen Marguerite summons the pair back to Castle Sanguis to participate in a deadly tournament, nothing goes as it should. Luna and Sebastian make their way through the tournament, uncovering hidden motives behind the queen's request for their participation. The queen's game is not just a competition, but a test of their loyalty to the crown. As Luna and Sebastian navigate treacherous alliances, dangerous foes, and deadly threats, they must rely on their wits and love for each other to overcome the challenges that lie ahead. The cost of failure is death.