The year is 1967. A series of mysterious murders of women are taking place in Leningrad. An experienced KGB major, Chuzhbin, and a police captain, Fedorov, are assigned to catch a maniac who leaves mysterious signs next to the victims.

A well-known journalist is assassinated during the presidential campaign in Poland. The media pushes the narrative of Russian interference in the country's internal affairs, in order to support Silesian separatists and destabilize the situation. From a small spark, a geopolitical conflagration is ignited, capable of causing enormous damage.

The action takes place from April to December 1986. The Ukrainian department of the KGB of the USSR becomes aware of the interest shown by foreign intelligence services in the Chernobyl nuclear power plant. To establish the whereabouts of an experienced CIA officer, Albert Lenz, who is suspected of espionage, on the territory of Pripyat, Lieutenant Colonel of military counterintelligence Andrey Nikolaev arrives in the city.

Elbrus Tamayev, a guy from a working-class family, was brought up in the spirit of fundamental male principles: not to offend the weak, to be able to fight back and help those in need. During his school years, he makes a friend and a girlfriend. Elbrus gets a job on a dry cargo ship. His friend pulls off a drug scam. It is exposed, and Elbrus becomes the scapegoat in this case... He is sentenced to life imprisonment in a prison for especially dangerous criminals, from which it is impossible to escape. But the hero - now his name is none other than Graf Krestovsky - succeeds twenty years later. He returns to his homeland and begins to take revenge on those who treated him so cruelly.