The Adventure of Charles Augustus Milverton

"The Adventure of Charles Augustus Milverton" is a Sherlock Holmes short story from Sir Arthur Conan Doyle's collection, "The Return of Sherlock Holmes," published in 1904. In this tale, Holmes is hired by Lady Eva Blackwell to recover damaging letters from a notorious blackmailer named Milverton, a case that Holmes finds particularly distasteful. The story explores Holmes's investigation into the blackmailer's schemes and the ethical complexities involved.