Is it possible to go through death and return? Having overcome Nav, return to Yav and remain the same?.. Prokhor Smirnov, number naut and keeper of secret knowledge about the Universe, was not afraid to take a step beyond the line. Because I was sure that this was only the beginning of a new road to myself and to the future. However, whether he has enough strength for this path, neither he nor his friends and comrades know, who have now become the main target of the attack of the Lords of the Dark Abyss, who have decided to penetrate the First World at all costs and change the laws of Existence once and for all...