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