The film depicts the life in the futuristic and idyllic utopian society where wealthy people live very comfortable lives. Carefree life of one of those citizens - Freder Fredersen, comes to an end when he discovers that below the residences of the wealthy is located an underground world of the poor who work their entire life on maintaining the machinery that makes the Utopian civilization on the ground functioning. He becomes involved in the attempt of the underground leaders to unite the two societies, bringing equality among two classes.
Edward Bellamy, Looking Backward: 2000-1887. Published in 1888, Bellamy’s novel imagining a perfect future society spawned a nationwide movement in America. (It also predicted electronic broadcasting and credit cards.) Bellamy’s plan for a ‘cloud palace for an ideal humanity’ also helped to inspire the garden city movement in the US and the UK. The best edition is Looking Backward 2000-1887 (Oxford World’s Classics).