She was quiet a moment before coming to stand dead before Harry, looking down into his eyes. "I argued with him about leaving you with them, Harry. I believe what you're saying here and now because we fought about it. In the end, he is Albus Dumbledore."

She sounds so upset by that as she reaches out, patting the boy's cheek.

That though, that is the part to be worried about. "So he's already here in the school? Tell me who."

Hermione tells her about Quirrel, about how he's hiding it, and of the mirror and how things were hidden and all that she could.

"But we have to plan for that," Hermione ends. "First we need to get Sirius out of Azkaban."

McGonnagal nods at that. "Let's get this rat."