In one of the northern Russian cities, the police are investigating the case of the murder of a man who was on his way home from gold mines. Detectives go on the trail of the main suspect by the name of Grigory Melenko. But the further things go, the more confused it becomes. Since it turns out that the real Melenko died in the war. So someone stole his name. The criminal is declared in the All-Union search. But crimes continue ...