Chapter 1: The Fake Flatmate

Years ago, Hermione Granger walked out of the magic world and into the arms of the British Government. When Mycroft Holmes assigned Hermione the task of watching John, he could not have known the chain of events it would trigger.

Disclaimer: All the characters displayed in this fic are property of their respective creators, JK Rowling (Harry Potter), Moffat and Gatiss (BBC Sherlock), and Sir Arthur Conan Doyle (Sherlock Holmes).