The senseless and brutal war in space ends, but the stubbornness with which the penal battalion of the Democratic States attacks the planet Cossack, which is part of the Confederation of Free Worlds, is inexplicable. Penitentiary Sergei Kireev finds out that powerful artifacts of the inhuman race have been discovered here, capable of upsetting the balance of power in the Universe. The war is over, but the secret struggle of the secret services continues, and Kireev will have to play an important role in it.