The film tells about the restoration of a unique Novgorod icon of the 16th century. The painting raises the question of whether the restorer, along with the later layering of the painting, carries away a particle of the icon's "prayer", thereby violating its sanctity. 1st part. Novgorod Kremlin. Restoration workshop. Icon "Barlaam and Tarasiy" and its fragments. The artist-restorer of the Novgorod State Museum-Reserve N. Mednikova conducts restoration work. 2nd part. Fragments of the icon "Varlaam and Tarasiy". N. Mednikova carries out restoration work using a microscope. The iconostasis of St. Sophia Cathedral.