Book Four. Corwin and his siblings desperately search for answers as to the true nature of the Pattern and to reality and Shadow. While the enemies of Amber have been turned away, they have not been defeated. The Amberites must discover the true origin of the Black Road and those who travel it in order to protect the realm and all of Shadow. In order to do this, they must first stop the traitor in their midst and then put aside their differences for the good of the kingdom, but can they?