September 1991. A group of drug dealers led by Semyon Usser, nicknamed Jeweler, is preparing to transport a large shipment of drugs to St. Petersburg. The goods are supposed to be placed in double-lined tanks, which are attached to the oil tank. The train is mined and should explode if detained. Police agent and at the same time criminal “authority” Philip Gotthilf reports these plans to the department for combating organized crime. Since there are very few people aware of the upcoming operation, Gotthilf desperately takes risks and plays all-in. He understands and at the same time cannot let drugs into the city. At the same time, Semyon Usser and Dmitry Stelichek are planning an operation to identify traitors in their midst. Knowing that the “anti-mafia” agents are led by Andrei Ozirsky, they decide to kidnap him and “knock out” the names of his “sources”...