Lawyer Jon Patchett and his assistant Anne Matheson know the stakes are high when they investigate the death of a Weber BioTech employee: An AIDS vaccine is up for FDA approval, and Weber doesn't want anything to interfere with the process. But there is serious cause for concern, and Weber is hiding a terrible truth. Jon and Anne discover that Weber's research included an experiment in human testing that went disastrously amok. And the pharmaceutical company is quietly eliminating the victims to protect the secret.      As the lies surrounding the vaccine begin to unravel, Jon and Anne stumble into a race against time as Weber executives, frantic to remove all the evidence of their deadly research, close in for the kill....