Socialism the 20th centurys greatest dream and source of some of its darkest nightmares Divided into eighteen chapters which all begin with quotes from leftwing thinkers and writers Socialism embarks on a chronological journey through 20th century film and social history starting with images from Louis Lumières Workers Leaving the Lumière Factory 1895 followed among others by Chaplins comedy Work 1915 Roberto Rosselinis Rome Open City 1945 and Pier Paolo Pasolinis The Gospel According to St Matthew 1964