The Adventure of the Second Stain

In "The Adventure of the Second Stain," Sherlock Holmes is approached by prominent government officials regarding the theft of a sensitive document stolen from the Secretary of State's dispatch box. The missing document, which could have serious repercussions for Europe if revealed, was stolen during a brief absence when no one else in the household knew its contents. Doyle’s story is a compelling addition to the Holmes canon, showcasing Holmes’s detective skills in a high-stakes political mystery.