A space shuttle accidentally drops a load of radio active dust which lands in a farmer's field. Mitch and Griff have to handle the work of cleaning up the strange matter when Ryan is infected by the stuff.

At the scene of an accident, several people become possessed by a homicidal spirit, which each of them preparing to make a demonic sacrifice. While Donna helps Mitch investigate, she comes in contact with the blood of a dead serial killer which happens to be the cause of the troubles, and becomes possessed by the killer's spirit out to get anyone around her.