<p>In 2009 Dr Ruja and her father bought a metallurgic factory in Southern Germany. What does this have to do with her disappearance today? Those who knew her at the time tell a strangely familiar story about the impressive businesswoman who came to save their workplace.</p><p>Presenter: Jamie Bartlett Producer: Georgia Catt Editor: Philip Sellars Original music and sound design: Phil Channell Original Music and vocals: Dessislava Stefanova and the London Bulgarian Choir</p><p>Episode 6 of 8. Released weekly.</p>