Benedict Cumberbatch and Louise Brealey read a love story in letters, played out against the backdrop of the Second World War.
Chris Barker joined the Post Office at fourteen, working as a messenger boy and then as a counter clerk, becoming an active trade union member. He served as a signalman in North Africa during the Second World War. Bessie Moore was a colleague of Chris Barker's at the Post Office, before working at the Foreign Office, using her training in Morse code to translate intercepted German radio messages. She was thirty when twenty-nine-year-old Chris first wrote from North Africa.