It involves the machinations of the demon lords Lolth and Graz'zt and was heavily influenced by the 1980 adventure module Queen of the Demonweb Pits.
While he is doing this, Rule-of-Three spreads word among the drow that their goddess is coming to the Prime Material Plane to wage the eternity war against their hated cousins, the surface elves and their god, Corellon Larethian.
Cover art was by David Hudnut, with interior art by David Bircham, Miguel Coimbra, Ed Cox, Carl Critchlow, Eric Deschamps, Wayne England, Erik Gist, Brian Hagan, Ralph Horsley, Howard Lyon, Ted Pendergraft, Arnie Swekel, and James Zhang.
Wayne Tonjes described it as "very convoluted", with "a few too many places where the plot requires the players to make one specific choice to access key phases of the campaign."
However, he did also say it "fulfill[ed] its goal of introducing a whole new spin on a classic module for old school gamers and new players alike.