The twenty-year confrontation between the Internet and the virtual infrastructure of the next generation - Mentalibert - ends with the unconditional victory of the latter. A new artificial world created by man becomes part of familiar reality, practically merging with it into a single whole... Progress has not spared the criminal cartel Southern Trident, whose bosses have made it a rule to meet each other in Mentalibert. During the next such meeting, they are attacked by a gang of virtual extreme sports enthusiasts who decided to publicly declare themselves by making fun of the mafia. However, banal hooliganism turns into a tragedy - the not at all comic death of one of the mafia bosses. The cartel, thirsty for revenge, sets its best executioner Tremito on the trail of the raiders, ready to find and tear to pieces each of them, no matter in which world - real or virtual - they are hiding...