The longtime fae envoy to the wolves, Periporsa, has been given a new duty by the Great Luna since peace has finally descended upon the Black Fur Grey Wolves. However, Peri is driven by a burning desire to get revenge on her sister, Laura. A further complication is that a big white wolf who spent years imprisoned in the Dark Forest, has been released and now seems destined to be with Peri. Can she set her need for vengeance aside long enough to accept White Wolf's love and finish her task?