Subterfuge

Publisher's blurb: An ambitious plan for the reconstruction of Phlan would expand the city walls to protect all the citizens. Now a band of emissaries sent to acquire necessary materials has gone missing in the wilds of the Dragonspine Mountains, and only the Heroes of Phlan can find them. But will it be in time to prevent catastrophe for the city? A four-hour adventure for 11th - 16th level characters.