A foreseer named Kamiya predicted that Naoto and Naoya would have something to do with the extinction of man kind, and as he tells a woman, who is one of his fanatics, about it, she gets the idea to kill them. The woman attacks Naoya as he's getting coffee, and luckily Naoto stops her in time. The brothers go to Kamiya's office to confront him about the incident. Naoya and Kamiya look into the future at the same time, and the prediction becomes much clearer. They figure out that the end of mankind will be because of a fatal viral epidemic, and the person responsible is a young scientist trying to find a cure for HIV. Will they make it in time to stop her?