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 potential chemical threat.
Igor Kostolevskiy
Valeri Zhitnikov
Yuliya Shifershteyn
Sergey Styopin
Sergey Nikitin
