Hermione: Now, if you two don't mind, I'm going to bed before either of you come up with another clever idea to get us killed... or worse, expelled! Ron: She needs to sort out her priorities! But Hermione had given Harry something else to think about as he climbed back into bed. The dog was guarding something…What had Hagrid said? Gringotts was the safest place in the world for something you wanted to hide — except perhaps Hogwarts. It looked as though Harry had found out where the grubby little package from vault seven hundred and thirteen was.