"Alpha wolf Calla Tor forges an alliance with her masters' enemies and tries to rescue her pack from imprisonment in Vail"--

Calla and Ren have been raised knowing it is their destiny to mate with one another and rule over their shape-shifting wolf pack, but when a human boy arrives and vies for Calla's heart, she is faced with a decision that could change her whole world.

Sixteen-year-old Lady Ember Morrow fulfills a family obligation by joining her friend Alistair in the Conatus Guard and begins training to help with the order's true mission, to seek out and stop evildoers and their unnatural creations.