[Contains JohnLock] Mycroft and Sherlock Holmes. The two brilliant, emotionless, sociopathic brothers. But there's another Holmes. A female Holmes. Enter Avery Holmes - the brilliant, crazy sister - the Third Holmes.
Sadie Holmes, discovers that she is the daughter of Mycroft and the Niece of Sherlock Holmes. But when she goes to meet them, she is forced into an adventure and discovers just how much of a Holmes she really is.
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