The best Valeriy Barinov’s mystery movies

1932. Ural, city of Krasnouralsk. The power plant has been sabotaged. The turbine is out of order. Having put the guards to sleep, someone poured sand into the turbine oil. In Moscow, the leadership of the OGPU received a secret cipher. From it it becomes known about the conspiracy of German intelligence against the USSR. Its main purpose — subversive actions in Soviet power plants. Special attention is paid to the Urals and the Dnieper under construction. Diversion in Krasnosilske — link in this chain. In Krasnotalsk sent a special agent of the OGPU Viktor Sergeevich Lartsev.

An armed attack on cash messengers is undertaken near a trade center in a small provincial town, an agent of Ministry of Internal Affairs dies in crossfire. A crime investigator major Rovnin (V. Kuznetsov), who appeared to be a close friend of the deceased, comes from Moscow to assist in the investigation. He is astonished at how savagely his friend was shot, as if someone was revenging. Local investigating bodies are convinced that they can manage this and arent too satisfied with the arrival of Moscow expert. They try to handle this as soon as possible, even at the cost of mistake. But the majors task is to find the killer, in spite of the fact that he is left nothing but to hold the investigation by himself.