1921, Yakutia. The Red Army is engaged in fierce battles with the White Guards and is advancing slowly towards the Far East. In exchange for military and financial aid, the leadership of the White Army decided to give the Japanese all the stock of furs from the Yakut supply factories. To save the furs, Goubcheka Yakutia sends a special detachment to the rear of the White Guards. The Chekists attack the main supply station and seize the fur stock, but their guide dies in the battle and the detachment cannot ascend the taiga. Goubcheka sends them a new guide, known under the pseudonym "Lesnik". White counter-intelligence is carrying out an operation to intercept it. The whole difficulty lies in the fact that neither the Chekists of the special detachment, nor the counter-espionage officers of the White Guard know the sight guide ...
