Sherlock and John are caught up in the power play of a genius (and it's not Moriarty). At stake is a secret the Crown has kept for over seventy years. I don't own the rights to either the BBC Sherlock stories mention or the Doyle stories that will become apparent through the story. Those belong to their individual rights holders. Originally published by Bladespilots, there is some new content in the chapters, especially the last one
9 parts