Overcoming the Barriers - the boundaries of the Zones, where gravity many times exceeds the maximum permissible norms - is like going to hell. For a living person of flesh and blood, even equipped with all imaginable implants and external means of protection, such a task is impossible. Almost . Yul Klevtsov, nicknamed Sturman, who led a detachment of combat stalkers from different locations of the Pyatizonya, decided to try. The key to the mystery of the hyperstorm that broke out in the Iron Fields is a mysterious artifact of Uroboros. At least the oldest stalker of the Wasteland Blind Taras predicted that with the figure of a snake biting itself by the tail, Klevtsov will be able to take possession of the stabilizer of the pi-waves. The one who controls the hyperstorm is the one who controls the world.