The plot of the film is dedicated to restoration as a scientific discipline. The work of restorers of the All-Union Scientific Research Institute of Restoration to restore Parthian rhytons, polychrome sculptures of the altar of Hermann Rode in the Niguliste church in Tallinn, icons of the Kirillo-Belozersky monastery, Dionysius frescoes in Ferapontovo, study of the state of the monument to I. Martos "Minin and Pozharsky".