The Siege of Anslau

From the introduction:

The Players find themselves locked within the walls of the city of Anslau and besieged by the armies of the sorcerer-king Uraamphomet. Food runs scarce and famine has flour-ished—it is likely the city will fall any day now. With most of the soldiers and mages defending the walls, Duke Wencelaus has put out a call for adventurers to help break the siege, or at least help hold the walls until allies arrive sometime in the next seven days.