Snaggly teeth, patchy white fur, raddled orange eyes - Woody's a far cry from cute. Yet Nat is strangely drawn to the rough mutt that howls at the moon. And before long, Nat learns that Woody's not a dog at all - he's a Wolven: a shape-shifter that changes from beast to boy without much warning.

But Nat's not the only one wise to Woody's secret: A rogue government agency has picked up his scent. They're on the hunt to trap him and turn him into a hairy new breed of bad!