This program chronicles the dramatic and increasingly fateful events following the crash of 1929 . Fiorello La Guardia and Robert Moses attempt to create in the darkest of times a bold new city of the future. Charting the demise of Mayor Jimmy Walker and the ascendancy of Franklin Delano Roosevelt's New Deal, this pivotal episode traces the fate of Harlem during the Depression; the complex impact of the automobile on the city; and the immense public works projects that permanently altered the landscape of new prophetic blueprint for a "World of Tomorrow," radically unlike the city that was its home. .