An Encirclement Thwarted

On June 28, 1914, Sherlock Holmes is unexpectedly reunited with Prime Minister Herbert Asquith and Inspector Gregson amid rising international tensions following the assassination of Archduke Ferdinand. As the British secret service struggles to decode a newly introduced German cipher, Holmes's attention is also focused on a significant case that revisits themes from his earlier work, "His Last Bow." The story intertwines Holmes's detective skills with a backdrop of political unrest and cryptographic mystery.