Kansen 2 (similar to the first episode) is set during the early stages of the Unknown virus epidemic, but the protagonists face a far more difficult situation as they are trapped in the center of a contaminated city right after it was destroyed by a mysterious cataclysm. Hunted by hordes of infected maniacs, Hiroshi Ookura and his friends look for safety inside a largely intact shopping mall, but madness and death are everywhere...