The forces aligned against Menzoberranzan begin to take shape, and the threat to drow civilization is more terrifying than anyone has yet imagined. From the impenetrable shadows of the Underdark to the remote corners of the no less unforgiving World Above, the path toward the secrets of Lolth's silence is as unpredictable as it is deadly.

Joined by two drow who might be the last survivors of Ched Nasad, the explorers from Menzoberranzan have learned much, but for every answer they find, a thousand new questions arise. They must seek out a rival priest, in hopes that he can speed them on their way to the goddess herself, but can one dark elf ever trust another?