*On stardate 3287.2, a space-borne parasite was encountered on the surface of the planet Deneva. These parasites attacked individuals, driving them mad while exerting control over their autonomic nervous system. The parasites were linked, analogous to individual brain cells in a Human. The U.S.S. ENTERPRISE was able to neutralize the parasites by use of an orbital network of satelites emitting ultraviolet radiation. *Source: Back of card