The riddle of gloomy land. Salnikov S.V.

Summer 1941. The Abwehra reconnaissance group is thrown into the area of ​​the Kola Peninsula in order to find out the traces of which civilization the expedition of the Soviet scientists found here. It is known that the artifacts they have obtained are priceless. To neutralize German saboteurs was entrusted to the NKVD detachment Captain Arkhipov. The captain has personal scores with the commander of the fascist landing: he has long been engaged in impunity in the Soviet rear. Arkhipov begins the search for the enemy, not yet knowing that in this mortal battle the most dangerous is not a dodgy fascist, but one of the people close to the captain...