Journeying to the forests of Eura to confront another hidden Great Beast, four young heroes whose rare spirit animal bonds have shaped their quest to save the world are shatteringly betrayed by a familiar face.

A human girl and her werewolf boyfriend must fight for their love as death comes closing in.

As Grace hides her deep love for Sam from her parents and Sam struggles to release his werewolf past and claim a human future, a new wolf named Cole wins Isabel's heart, but his own past threatens to destroy the whole pack.