Harry Potter and the Prisoner of Azkaban
"No!" said Hermione. "If we steal [Buckbeak] now, those Committee people will think Hagrid set him free! We've got to wait until they've seen he's tied outside!"
"That's going to give us about sixty seconds," said Harry. This was starting to seem impossible. (21.139-40)
Harry watched the grass flatten in patches all around the cabin and heard three pairs of feet retreating. He, Ron, and Hermione had gone [...] but the Harry and Hermione hidden in the trees could now hear what was happening inside the cabin through the back door. (21.161)
"How can you stand this?" he asked Hermione fiercely. "Just standing here and watching it happen?" He hesitated. "I'm going to grab the cloak!"
Hermione seized the back of Harry's robes not a moment too soon. Just then they heard a burst of song. It was Hagrid, making his way up to the castle. (21.225-227)