After Professor McGonagall left, silence fell over the office of the Professor of Defense Against the Dark Arts.
Su Er said nothing either, exchanging covert glances with Hermione. Before long, Harry suddenly spoke.
"I know who did this, Professor."
At those words, everyone turned to look at Harry.
Harry took a deep breath and uttered a name-
"Draco Malfoy. He must have been the one who gave Katie that necklace."
"That is a very serious accusation, Harry." Su Er shook his head gently. "Do you know the consequences of making it?"
"I saw Malfoy go into Borgin and Burkes with my own eyes. That was where the necklace was," Harry said anxiously.
"He's already joined Voldemort's side. I saw it myself. There was something on his arm!"
"But you have no evidence, Harry." Su Er shook his head again. The necklace was indeed connected to Malfoy, and Harry's guess was correct, but reality was not imagination. If Harry wanted to catch Malfoy behind all this, he needed concrete evidence.
Besides, at that moment, Malfoy-
"I can tell you, Harry, that Malfoy is with Professor McGonagall right now. He didn't go to Hogsmeade this time."
How did Su Er know this? Well, why did you think Professor McGonagall had not gone to Hogsmeade? Why had Flitwick invited only Su Er?
"Huh?" Harry voiced his utter bewilderment.
"Professor McGonagall gave Malfoy detention because of his Transfiguration homework," Su Er explained.
That silenced Harry.
"All right, you'd better listen to Professor McGonagall and go see Madam Pomfrey. Drink a bottle of Pepperup Potion and get some proper rest. Don't waste a precious weekend."
Su Er dismissed them. This was merely the first stone to break the stillness of the lake. Once ripples spread across its surface, it would take time for it to