Find out how the city of Chicago has inspired and shaped the careers of the biggest and best film directors around as they reflect on their careers while floating down the Chicago River. In addition to speaking with such high-profile filmmakers as Stuart Gordon, Michael Mann, John Landis, Andrew Davis, Harold Ramis, and John McNaughton, documentarian D.P. Carlson also interviews such noted independent moviemakers as Louis Antonelli, Chris Ligon, Loretta Smith, and Heather McAdams; local critics Gene Siskel, Roger Ebert, and Ray Pride; Mayor Richard M. Daley; and Chicago Film Office Director Rich Moskal.