Imagine that Mycroft Holmes had a daughter, whom he sent to live with his brother, Sherlock. Say that Sherlock's niece, Harmony, fits more in with Sherlock than with Mycroft. Imagine what would happen.
Imagine that Mycroft Holmes had a daughter, whom he sent to live with his brother, Sherlock. Say that Sherlock's niece, Harmony, fits more in with Sherlock than with Mycroft. Imagine what would happen.