In the building of the Polivanovsky gymnasium famous in pre -revolutionary Moscow, two children's schools have been working at the Prechistenka for many years - the musical name of Muradeli and the artistic name of Serov. And in the courtyard of an old estate in their workshops, professional artists create. In one of them, an amazing person worked for many years - the restorer Savva Vasilievich Yamshchikov.