Before Yang Jiang could think about it any longer, a worried voice echoed from the other end of the line, "Is there something wrong?"
"Nothing. I must've misheard you, that's all," he quickly replied, relaxing.
Despite this, he quickly headed back to his desk and activated the software in his computer. His eyes were narrowed at the screen.
Before long, dozens of surveillance images popped up in front of him. He was sure that a person had entered his study, but why didn't he see him?
He glanced at the surveillnce images before tapping at the one centered at his door. He played back the video to a couple of minutes ago.
However, all he could see were his two housekeepers passing by the corridor.
After the two housekeepers had passed, no one else had entered his screen.
Could they have made the noise?