Talented programmer Vyacheslav Konyshev is working on the invention of unconcealable codes that will become a bone in the throat of hackers - henchmen of the mafia. Several attempts have already been made on Vyacheslav’s life. As a result of one of them, he became blind. Bodyguard Zhenya Okhotnikova must not only protect the scientist, but also serve as his guide. In a word, it’s a troublesome business! In addition, the intellectual Konyshev understands perfectly well that his powerful pursuers, accustomed to freely using secret information, will never calm down, and he is doomed. However, Okhotnikova does not allow Vyacheslav to despair; she has a simple but brilliant idea on how to deceive the city fathers...