Inside the walls of Refuge, Fern and Ash have always been safe from the bandits, werewolves, werecats, and vamps who roam the forests, until one day when Ash is kidnapped by mysterious riders. To save her brother, Fern must leave her home with only a werewolf outcast to guide her through the wild land, but soon, the moon will be full, awakening the monster within Fern.