Air date: 2017-04-02

Runtime: 47 min

In 1935, suspecting that Edward was being blackmailed, King George V ordered his son to be put under surveillance. In 1936, the Home Office ordered MI5 to listen into the future king's phone calls.

Air date: 2017-04-09

Runtime: 46 min

After his abdication, Edward and Wallis holiday in America, unaware they are being tailed by US intelligence agents. The outbreak of war and dealings with a Nazi collaborator in Lisbon raise concerns for MI5.