Bizon, Batya, Bagira and their subordinates will once again find themselves in the hotbed of a new armed conflict. Each task of the Nerpa detachment, as well as the location of the base to which it was transferred from the north, is classified as "Top Secret". While the squad is busy confronting foreign spies and conducting counter-terrorist operations, Batya realizes that there is a traitor in their own military structure.—Tango Papa