検索キーワード： "Anonymous" 私立探偵

Madison Kelly, a San Diego private investigator, arrives home to a note stabbed to her front door: Stop investigating me, or I will hunt you down and kill you. The only problem? Madison hasn't been investigating anyone. But how does she prove a negative? The only way to remove the threat is to do exactly what Anonymous, the note writer, is telling her not to do: investigate to see who left it. Could this have something to do with the true-crime podcast she's been tweeting about and the missing girls? The girls went missing two years apart, after a night at the clubs....

Holmes meets Joseph Haydn in London and the two form an instant bond. This encounter and a later one with Haydn's young acquaintance, Beethoven, assume a new importance when Holmes and Watson travel to Vienna on a diplomatic mission and are consulted by Constanze Mozart, widow of Wolfgang Amadeus Mozart.