Hermione waited outside of the headmaster’s office for Sirius to arrive. A fight had broken out in Myrtle’s bathroom between Harry and Malfoy, and Malfoy had been taken to the hospital wing, to recover, and as Harry’s guardian, Sirius was called. Snape was demanding that Harry be expelled, and she could only hope that Sirius would keep his temper in check as he spoke with the Potions Master. 