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?
Michael Jago
Self - J. Bingham's Biographer
Michael Smith
Self - Former Intelligence Officer
Nigel West
Self - Historian
Charlotte Brady
Self - J. Bingham's Daughter
