The film about the great scientist, thinker, human rights activist is based on the memories of his associates, declassified documents of the Central Committee of the CPSU and the KGB of the USSR, a chronicle shot by the KGB in the city of Gorky, and most importantly, animated drawings that Andrei Dmitrievich left on the margins of notebooks with formulas, in letters to children and grandchildren, as well as simply inventing some fantastic characters.