The plot against Sherlock Holmes

"When Sherlock Holmes finds himself enmeshed in the most deadly case of his career, it threatens to bring terrible doom upon him and his friend Doctor John H. Watson. A deadly nemesis from his past, a most vile and evil villain, has returned to England to wreak his revenge for past deeds. He unleashes a dastardly plot, which begins with a shocking murder in Whitechapel and causes Inspector Lestrade to believe that Jack the Ripper has returned..."-- Back cover.