A boy is missing, and Emma needs to find him fast. The High Seat's request to hunt down a traitor on the Council will just have to wait.

When Emma's search leads her to the gritty underground where half-blood children are made to fight for sport, she'll require every ounce of cunning and skill she has to bring the operation down. She must not only mingle with the arrogant nobles who run the operation but finally face down the one person who means her the most harm - her sister, Aveline.

Putting off the High Seat's task, however, may be a bigger risk than she bargained for...