The action-packed historical and revolutionary film about the struggle of the VCHK with the international conspiracy against the Soviet government in Russia in the beginning 20s. On the activities of Dzerzhinsky, chairman of the VCHK, People's Commissar of Internal Affairs and at the same time Commissar of Railways. About the work on resuscitation of a collapsed industry, army, railways, to which the Iron Felix attracts (some by threats, some by persuasion) pre-revolutionary intellectuals.