Legendary Planet: The Assimilation Strain (5th Edition)

A strange sickness afflicts the frontier settlement of Holver's Ferry, threatening to overwhelm its citizens with an alien madness. Already the town has nearly torn itself apart, and the local sheriff is missing. When the PCs brave the surrounding wilderness as the village's latest newcomers, the beleaguered townsfolk desperately turn to them for assistance. But can these erstwhile heroes trace the diseased carrier to its source and solve the mystery before they, too, succumb to The Assimil...