October 2026. A new crisis is brewing in the Zone. Through a spatial portal, an army of unknown creatures penetrated its territory, destroying everything in its path. They are trying to resist the group "Duty", but is defeated, because the invasion of monsters is headed by the legendary shooter. To survive, all survivors of the massacre stalkers have to unite . The situation quickly spirals out of control, and the command of the international forces is preparing to launch a secret program of global sweep. The fate of the Zone is in the hands of a veteran stalker nicknamed Plumbum and a mysterious creature calling himself Charon.