Although Zheng Zeyu appeared to be very calm in front of Zheng Zeyi, he had actually panicked the moment Zheng Zeyi entered the room. He only pretended to be calm because he did not want to show that he was flustered in front of Zheng Zeyi.
Zheng Zeyi did not sound like he was bluffing. He might have really found the evidence, but Zheng Zeyu did not know what Zheng Zeyi was trying to do by not telling the truth.
Seeing that Zheng Zeyu had left, the corners of Zheng Zeyi's mouth curled up into a smile. The reason why he did not want to reveal the truth to others so early was because he wanted to catch a big fish. If it was only based on that recording, it might not be convincing, but this time, he would definitely make Zheng Zeyi suffer a big loss.
After turning on the computer's built-in camera memory, Zheng Zeyu could basically see everything that was done on the computer clearly. He had indeed opened his own files and even entered a private folder in the company.