Made for Russian television version of the Invisible Man, based on the novel by H. G. Wells.
A pioneer boy on the roof meets a blue crow, learns a certain magic word from her, after which he moves back to the Stone Age, then to the musketeers, then during the October Revolution.
After returning from the army, Sasha learns that Tonya, whom he loves, met another guy, became a mother, is raising a child and works in an oil field in the Gomel region. Sasha goes to the oil field to see Tonya for a possible explanation.
