A talented programmer Vyacheslav Konyshev is working on an invention of untraceable codes that will be a thorn in the side of hackers—the mafia’s men. Several assassination attempts have already been made on Vyacheslav. As a result of one of them, he was blinded. Vyacheslav’s bodyguard, Zhenya Okhotnikova, must not only protect the scientist, but also serve as his guide. In short—an extremely troublesome case! Besides, the intellectual Konyshev perfectly understands that his powerful pursuers, who are accustomed to using secret information without hindrance, will never calm down—and he is doomed. However, Okhotnikova won’t let Vyacheslav despair. She has a simple but brilliant idea for outsmarting the fathers of the city…