About the book: 2015 / Soldiers of the private military company "Volkodav" are given the task of eliminating the elite Ukrainian special forces "Shadow", whose militants have committed several successful acts of sabotage in Russia . To find out the location of the “shadow” base, one of the “wolfhounds” - Lieutenant Ivashchenko - is introduced into their ranks under the guise of a runaway repeat offender. At the same time, one of the Ukrainian saboteurs, who some time ago was captured by the “wolfhounds”, including Ivashchenko, escapes from the FSB detention center. The lieutenant, who has already managed to infiltrate the ranks of the “shadows,” finds himself under the threat of exposure. The escaped Ukrainian saboteur, naturally, recognizes him as one of the fighters of the “Wolfhound” unit»…