Forces are being developed that could replace nuclear power as the worlds scourge. They begin as tiny molecules altered to do the bidding of ruthless terroriststhe marriage of bioscience and nanotechnology to produce a massive pandemic.

Four close friends, Dan Cooper, Jud Black, Pat OLeary, and Jim Barnett, are in the business of exposing malicious hackers who make life difficult for computer users. But what they discover is far more serious. In their quest to learn what has caused a good friend to contract a rare diseasedengue hemorrhagic fever (DHF)they are thrown into a battle against enemies with staggering powers. Cooper and his pals become the first line of defense against bioterrorists bent on destroying America. The madmen they face have the ability to design and deliver biological attacks that will bring chaos to the world.

Can Dan, Jud, Pat, and Jim stop the opening volley in a pandemic with the potential to decimate the United States population?