The quest to save BLOODHOUND begins. Once the most respected of the Wardens, the father of Dire Wolf has disappeared—vanished off the Wildlife Grid, with whispers of madness following in his wake. Now, the remaining Wardens must band together to find him—or stop him—and the fate of Exodus is at stake. Also: meet STAG, the mysterious deer warden with knowledge that could shake the very roots of the Wild.