It's London, 1939. Tensions are building as war seems imminent. Lady Sherlock Holmes and her companion Dr Jean Watson are engaged by Lady Diana Mosley to track down Irene Adler in Berlin and retrieve sensitive information.
But all is not as it seems.
Created by Jennifer Piper and Claire Bowen
Written by Claire Bowen and Jennifer Piper
7.30pm, 24 June 2016