"The next scene was set in Sydney, Australia, where recently-freed Nyah was seated at the back of a speedboat in the harbor.The pounding of the judge""s gavel transitions to the clanging sound of a blacksmith""s hammer placing shackles on his ankles.The film""s themes include many plot devices and elements ypical of Hitchcock films (especiallyThe 39 Steps (1935)andSaboteur (1942)) - predominantly he themes of mistaken identity for the innocent, ordinary, ""Wrong Man"" hero.]McCloudadmitted that he knew alot about the Keys due to his many conversations with George about his "favorite subject.