The Riddle of the Sands: Spy Thriller

Set against the backdrop of the Baltic Sea, the narrative follows Carruthers, a minor Foreign Office official, who embarks on a yachting holiday with Davies. As they sail, Davies shares his suspicions of German activities in the Frisian islands, stemming from a harrowing experience with a German yacht that nearly caused his shipwreck. Driven by a sense of patriotism and concern for national security, Davies seeks Carruthers' help to uncover the truth behind his fears, setting the stage for a suspenseful investigation.