Cheng Xin's phone call with the mysterious man did not last very long.
Since the man had come with a specific mission, he only needed to deliver enough warnings and reminders before leaving.
Therefore, after listening to what the man had to say, Cheng Xin nodded slightly and said calmly, "I know what you mean. You're simply hoping I won't expose the inside story about the experimental facility, aren't you?"
Chapter 244