The loyal daughter of a death eater, Scarlett Rosier, learns of Professor Moody's identity early on. Voldemort recognizes her worth, but the further in she gets, the harder it is to break away. Mature/Dark Winning Barty Crouch Jr. and OC fanfic.
I'm laughing so hard because while I read that I got an image of David Tennant walking into a door and being all like "I'm sorry. I'm so sorry."