Sherlock Holmes is the world’s most famous detective. He is helped by Doctor Watson.

Helen Stoner is in trouble. Her friend told her about Sherlock Holmes. She has come to see him for help. Her sister died mysteriously after she got engaged. There is no reason for her death. The only clue is her sister’s last words: the speckled band. She died two years ago.

Helen Stoner is now engaged. She’s worried for her life. She has come to Sherlock to save her life and find out whathappened to her sister. He’s her only hope.