Ten years have passed since the events of The Beast Player. Elin and Ialu are married, with a young son, living a quiet, peaceful life when one day Elin is called upon to investigate a matter of great urgency: the fearsome Toda are dying and nobody knows why.

As Elin investigates, she uncovers a deadly plot and a brewing invasion. Can she protect her homeland without allowing her beloved beasts to be used as weapons of war, or will she have to compromise her principles to save her family?