Drizzt joins Bruenor on his quest for the fabled dwarven kingdom of Gauntlgrym, but before they even get close, another drow and dwarf pair -- Jarlaxle and Athrogate -- stumbles across it first -- and set into motion a catastrophe that could spell disaster for the unsuspecting people of the city of Neverwinter.

When the Grace children find their house ransacked with the Field Guide and their mother missing, they must set out on a dangerous quest to rescue her and face the ogre Mulgarath.