Yokobashiri is a city located at the foot of Mount Fuji. A soldier of the Self-Defense Forces who is stationed there collapses spitting blood. Soon other patients with the same symptoms follow … They all die quite quickly. At the central hospital, Suzuho Tamaki, a young and energetic doctor, who takes care of the first cases, suspects a large-scale contamination, but must fight with her superiors to find out and…