Sent on a journey that could change the fate of all of the warrior clans, Hawkpaw is given the warrior name of Hawkwing. As deputy of SkyClan, he must find the kin of Firestar, the cat who once brought their clan back from obscurity.

Annabeth and Percy have tumbled into a pit leading straight to the Underworld. The other five demigods have to put aside their grief and follow Percy's instructions to find the mortal side of the Doors of Death. If they can fight their way through the Gaea's forces, and Percy and Annabeth can survive the House of Hades, then the Seven will be able to seal the Doors both sides and prevent the giants from raising Gaea. But, Leo wonders, if the Doors...