Frédéric Sanchez

England, 1940, during World War II. An MI5 officer, codenamed Jack King, infiltrates a network of conspirators, a British fifth column sympathetic to Nazi Germany, in order to control the organization and destroy it in the event of a German invasion. But who was he? A single person or several?

Television documentary about the making of Roberto Rossellini's 1945 film "Rome, Open City".