The people of Maskek have always presumed it to be a bizarre weather phenomenon happening rarely but with great intensity and loss of life. For the poison they have no answer. The odious creeping cloud is growing, pulsating and expanding; its lethal tentacles reaching ever upward.

Faced with this perverse, avenging adversary, Deacon and a small band of "modern day warriors" are all that stand between the malignant and vaporous enemy and the town of Maskek.