"The Order will have to know," Hermione said almost before Harry was done talking. "If... well, the castle is full of them. Even if everything we've thought of goes perfectly, the Order would still need to be there. The DA, too. This will have to involve everyone, Harry. You won't be able to ... to pay attention, to what's going on there. Not if he..." She trailed off again, sighing helplessly. Harry knew what the plan was, what was likely to happen. She didn't want to rehash it all, not so soon.