In one of the chemical laboratories in Switzerland, controlled by the CIA, work on a deadly virus — intended for military use — has been completed. Russian intelligence agencies take a special interest in the development and assign mathematician David Bronstein to obtain a sample of the...
Sergey is a tutor. He rides his bike around the city all day long. He is a good teacher: he has advice and a kind word for everyone. But it is more difficult to understand your own life than even the most difficult task.
