Major Konstantin Kupriyanov, a special operative intruder of the Military Intelligence Department, penetrated the Zone not to search for artifacts or chase thrills. Carrying out the command’s orders, he follows the trail of the stolen missile complex “Purga-D,” transferred across the perimeter of the Zone by a gang of uniformed smugglers. The major’s task is to prevent the newest weapon from falling into the hands of the paramilitary sect “Monolith,” which intends to destroy the Heavenly Spider— a mysterious impregnable citadel—using it. While planning the operation, Kupriyanov has no idea what treacherous trap his raid through the Zone will lead him into—one meant to put the intruder against the most ruthless enemy of all: his own bloody past…