The game starts at a chemical plant known as "The Corporation," with scientist Dr. Daniel Caine sneaking into the research lab where he worked, in order to find evidence that crimes were being committed using a toxic gas he created. Caine discovers that his colleagues are planning "Operation: Omega": a plan to release a plague upon the populace, and make a fortune because they hold the only cure. However, the Director of The Corporation discovers Caine in the lab.