In the far future, the man known only as Rook wants out. He reckons anywhere is better than the crumbling planet Exodus, where all of natureespecially its imported animal populationhas grown out of control as the worlds engine has utterly failed. Scavenging for an escape vessel, hes interrupted by the power-hungry bear master named Ursaw, who wont stop until he rules all of what remains of Exodus. Also: Who is the mysterious Dire Wolf? And is she Rooks ally or enemy?