Panorama of the Katyn forest. Excavated trenches with the corpses of the executed, shot through the skulls. Experts. Prof. Prozarovsky, Doctor Smolyaninov and members of the Extraordinary State Commission NN Burdenko, A. Tolstoy, VP Potemkin, Metropolitan Nikolai, Chairman of the Smolensk Regional Executive Committee Melnikov make notes, examine the corpses. Meeting of the Extraordinary State Commission.