Now at ten o'clock in the evening, Yuri doesn't know if Mike Chen has a rest. Instead of calling, she sends a message.

Yuri: [Brother Mike Chen, Nancy Gu is probably just a substitute for the dead.]

Unexpectedly, the message from the other side was received in seconds.

Mike Chen: [Yuri, are you awake? I doubt it. I just found a new clue. I am now performing a task. When the task is over, I will go to see you. Then I will tell you in detail in person. You can have a good rest.]

Yuri stared at the new thread for a long time. She remembered something. She reached...