บท 154: Chapter 149 Numbers Three

"The wall?" Dr. Zhang wore a bewildered expression...

He recalled the surveillance video where the patient suddenly looked up, finding it utterly baffling...

"Why was he staring at the wall?"

The wall was bare with no graffiti, painted white, utterly plain. For a moment, Dr. Zhang felt an unexplainable eeriness about it.

Then, he glanced at the camera above the doorframe...

He stood up, adjusted his position facing the camera, and walked to the wall following the route the patient had taken in the video...

Since the camera was right above the doorframe, his current position should have been out of the surveillance range.

So the man just inexplicably looked up at the wall and then moved to where he now stood... and a minute later... he went mad?

"What's going on?" he muttered to himself, imagining the patient moving like a sleepwalker close to the bare wall, an unjustified sense of panic rising within him...