The future. Earthly states have united - now it is a giant city, divided into sectors. Most people spend time online, practically without interfering with each other. Subcultures create closed virtual worlds and laws of existence. Crimes that are so characteristic of human nature are dealt with not only by the police, but also by a special department where, along with people, routing demons work - creatures with artificial intelligence, endowed with unprecedented capabilities. When something amazing happens and one of the virtually immortal demons is killed, his replacement Legba receives the task of investigating the crime and punishing the culprit. But the better Legba gets acquainted with the human world, the more he understands that everything will not be so simple...