Sonea, Black Magician of Kyralia, remains deeply concerned about her son Lorkin, who has gone missing on assignment in the foreign land of Sachaka. Her problems at home remain as well, for there is a rogue magician on the loose, threatening the life of her friend Cery, leader of the Thieves. And in the University, two female novices are about to remind the Guild that sometimes their greatest enemy is found within.