Pursued by her much older brother, famed detective Sherlock Holmes, fourteen-year-old Enola, disguised and using false names, attempts to solve the kidnapping of a baronet's sixteen-year-old daughter in nineteenth-century London.

"London, 1889. A woman is being held prisoner while she awaits a forced marriage. Another has been kidnapped, and yet another disappears... As Enola seeks to rescue the three women, her brother embarks on a quest of his own. When Sherlock receives a mysterious package, he knows he'll need Enola's help to decipher its meaning. In the end, the three Holmes siblings will have to work together to answer the question that started it all: What happened...

"This is not danger. It is definite destruction. Even with all your cleverness, you do not realize it. You must stand clear, Mr. Holmes, or you will be trodden underfoot." Holmes is facing a problem - a big one. He's on the tail of his most dangerous criminal to date, Professor Moriarty. But it seems that the professor is one step ahead. Can the detective unwind Moriarty's web of crime before it's too late? Or could this really be Holmes' last case?--Provided...

"Enola is still hiding from Sherlock and her other brother Mycroft, who want to place her in a boarding school since their mother's disappearance. Looking for a new disguise, she finds just what she needs in a theatrical costume shop. This time, no old woman or ingenious girl will do as she transforms herself into an elegant and refined lady. When she questions Mrs. Watson about her husband's disappearance, Enola notices a strange bouquet. It is here...