Alison is on the tail of the elusive Dorothy – finding photographs of her from Alec’s stint in India.After speaking to Alec’s handler Coleman and hearing that their ‘relationship’ was likely a cover story, Alison traces Dorothy to Yorkshire and demands to hear the truth.Back in the 1940s Alison struggles with the aftermath of Alec’s decisions, forced to raise her poverty-stricken young family in wartime London.