Nathan Troy, an American freelance journalist, stumbles onto an unusual rash of rabies cases in Beijing, China. While translating for a french W.H.O doctor, Helene Laroque, sent to help contain the spread of the virus, he learns of the puzzling anomalies of the disease and how it is being dealt with by the local doctors. When Helene starts asking the wrong questions of the wrong people and gets sent home, Nathan is the last person left to find...