"The Four Faces: A Mystery" by William Le Queux introduces the perplexing Hugesson Gastrell, a man of unknown origins who stirs suspicion in London's elite circles. Our narrator, Michael Berrington, becomes fascinated by Gastrell after overhearing a conversation that highlights the unease surrounding him, especially from Lady Easterton, whose family recently leased him a house. This fascination deepens when Berrington remembers a past encounter with Gastrell in Geneva. Spurred on by a series of strange coincidences, Berrington and his friend Jack Osborne decide to investigate, leading them to Gastrell's residence and the growing conviction that he is concealing a sinister secret, creating an air of suspense around Gastrell's true identity and intentions.

The Four Faces: A Mystery
By William Le Queux
A man shrouded in mystery unsettles London society, compelling an investigation into his past and a potential dark secret he's desperate to keep hidden.
Summary
About the AuthorWilliam Tufnell Le Queux was an Anglo-French journalist and writer. He was also a diplomat, a traveller, a flying buff who officiated at the first British air meeting at Doncaster in 1909, and a wireless pioneer who broadcast music from his own station long before radio was generally available; his claims regarding his own abilities and exploits, however, were usually exaggerated. His best-known works are the anti-French and anti-Russian invasion fantasy The Great War in England in 1897 (1894) and the anti-German invasion fantasy The Invasion of 1910 (1906), the latter becoming a bestseller.
William Tufnell Le Queux was an Anglo-French journalist and writer. He was also a diplomat, a traveller, a flying buff who officiated at the first British air meeting at Doncaster in 1909, and a wireless pioneer who broadcast music from his own station long before radio was generally available; his claims regarding his own abilities and exploits, however, were usually exaggerated. His best-known works are the anti-French and anti-Russian invasion fantasy The Great War in England in 1897 (1894) and the anti-German invasion fantasy The Invasion of 1910 (1906), the latter becoming a bestseller.