We’re back at the Vrana Palace in Sofia, Bulgaria, where King Simeon II and Princess Maria Luisa tell host Becky Milligan about their narrow escape from targeted Allied bombings after their father’s death. As more secrets emerge from the pages of a British diplomat’s private diary, Becky is forced to consider an ugly possibility. But as she follows the trail of poison, a brand new suspect slithers into the frame. Learn more about your ad choices. Visit megaphone.fm/adchoices