Wanted for murder, Kai (Anthony Wong Chau Sang) flees to South Africa where he gets a job working in the kitchen of a Chinese restaurant. One day while visiting a nearby village he happens upon a dying African woman, whom he proceeds to rape. Kai contracts the deadly Ebola Virus from his victim, but it turns out he is one of the very rare people who doesn't die of the disease, he is simply a carrier, Kai becomes literally a walking bio-terrorist, spreading the Ebola Virus to nearly every man, woman, and child he comes in contact with.