Two girls. One horrendous war. The chance to unite a family ... Edith and Ada run Jimmy's Hope House where they care for unmarried mothers, and where Edith, a doctor, offers free medical help to the poor of London's East End. Both are struggling to overcome trauma from their past. For Edith there is the constant ache and yearning for her twin girls Elka and Ania, from whom she was separated in 1918. For Ada there is the threat of her sister returning ... As the Nazis strengthen their grip on Poland, sisters Elka and Ania are forced to make a difficult decision: travel to England to find their birth mother or stay and fight against an increasingly desperate regime? In times of war, no choices are ever easy to make. But making the right choice could keep you alive ...