A soldier returns from the frontline of battle to report that Inspector Pekkala's charred body has been found at the site of an ambush. But Stalin refuses to believe that the indomitable Pekkala is dead. On Stalin's orders, Pekkala's assistant Kirov travels deep into the forests of Western Russia, following a trail of clues to a wilderness where partisans wage a brutal campaign against the Nazi invaders. Unknown to Kirov, he is being led into a trap...