During Harry Potter's fourth year he was stuck with a blond ferret. Thought, it wasn't your usual ferret. It was Draco Malfoy. He had been turned into a ferret by Professor Mad-eye Moody. Moody stating that he couldn't turn back until Draco was to learn what, and other things, affect Harry. Draco soon learns that the precious 'Golden Boy' isn't so pampered.
2 parts