With the snow already falling, the key to thwarting disaster is the village of Dunross, for here are stored the winter supplies of many surrounding villages. Fresh faced and eager, the heroes are hired by a local merchant to collect sacks of flour from Dunross and deliver them to a bakery.

But things are never that simple.

What begins as a routine journey quickly embroils the adventures in a deadly plot to inflict starvation and untold misery on the citizens of the northern Heartlands. Through the power of an unholy magical relic a dark swarm has been unleashed on Rassilion, a swarm which leaves only death and disease in its wake.

Can the heroes survive the terrible host about to cross their path? If they do, have they the courage and skill to end the reign of terror of a sinister, inhuman foe? All will be revealed!