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...
Crimea, 1919. The White Guards are preparing a trial of the revolutionary Antonina Chumak. Sailor Kuskov, Cossack Dmitry Chumak and card cheater Fedor Chumar arrive in the city to save her.
1722. Peter I issues an edict, stating that everyone who finds in Russian lands mineral wealth, and provide its precise map will be generously remunerated and will rid him/herself of serfdom. This decree works up the whole Russia. Serfs and all kinds of prospectors rush to Siberia to earn freedom....
Kariev cannot defend his PhD thesis because he does not have the necessary theoretical basis for his idea. Young geologists - Kurov, Mukhamedov and Saraev, who worked in the geological party under the leadership of Kariev, help him, showing the ability to solve major scientific problems.
