In 1938, Sarah Baring was enjoying life as a young debutante. Only a few years later, at the height of World War Two, she was working alongside some of the greatest minds of Britain in their code-breaking operations at Bletchley Park.How did she end up in the top-secret world of cyphers and codes?Like many young men and women across all levels of British society, the outbreak of war in 1939 dramatically altered the course of Sarah's life.Knowing that she could not s...