Amber is the one real world, casting infinite reflections of itself – shadow worlds, which can be manipulated by those of royal Amberite blood. But the royal family is torn apart by jealousies and suspicion; the disappearance of the patriarch Oberon has intensified the internal conflict by leaving the throne apparently for grabs; and amnesia has robbed Corwin, Crown Prince of Amber his memory – even the fact that he is rightful heir to the throne.