The events of the series "Ascent to Olympus" take place in the Soviet Union in the early 1980s. In the capital, everyone is preparing for the most significant sporting event in the world - the Olympics. All representatives of the KGB and the Ministry of Internal Affairs are busy maintaining order in the city. But despite all measures, several robberies occur in Moscow. Someone is stealing great works of art right from the museum. Investigator Stavrov must recover the paintings before the start of the sports competitions, as the reputation of the entire USSR depends on it.