Everything that remains outside the scope of the “Ghost Server” will happen here - in the cyberspace of the Earth, where the new phantom universe “Crystal Sphere” is rapidly gaining popularity. The world has frozen on the threshold of the invasion of the Hungering, the harbingers of the digital catastrophe of civilization, but no one has heard about it yet doesn’t know. There were twenty of them: those who were the first to step beyond the edge of reality, on whom neuroimplants were tested, giving one hundred percent realism of sensations. From the tetralogy you will learn how their destinies turned out...