Once they fought side by side, repelling “spirits” attacks in faraway yet still unforgettable Afghanistan. Now fate has separated them into opposing camps: the commander of the reconnaissance regiment, Sergei Soloukhov, and field commander Umar Balaev, nicknamed the Dervish, have become enemies… The federal troops were betrayed, Soloukhov’s regiment was destroyed, and he himself ended up in captivity of a man whom he once considered a friend. But the Dervish proves to be more honest than the corrupt army generals—he grants Sergei his freedom. And from that moment on, Soloukhov lives for a single goal: to find and punish the one who orchestrated the betrayal…