Benedict Cumberbatch stars in 'My Dear Bessie'

Sherlock duo, Benedict Cumberbatch and Louise Brealey join forces on Radio 4 to tell a true World War II love story in letters between Chris Barker, a solider in Libya, and Bessie Moore, a Morse code interpreter at the Foreign Office in London.

First broadcast on, My Dear Bessie, 20 April 2015.