Aerin, with the guidance of the wizard Luthe and the help of the blue sword, wins the birthright due her as the daughter of the Damarian king and a witchwoman of the mysterious, demon-haunted North.

Fourteen-year-old Zach learns he has the same special abilities as his father, who was the President's globe-trotting troubleshooter until "the Bads" killed him, and now Zach must decide whether to use his powers in the same way at the risk of his own life.

After Jason succeeds in finding a way back to Lyrian, he's immediately in more danger than ever. Meanwhile, Rachel and the others have made their own progress--as well as discovered new enemies. As the group ultimately rejoins, they strive to convince their most needed ally to join the war and form a rebellion strong enough to triumph against the emperor.