The suspect, "Focus Tentacles" editor-in-chief Tan Yiqiao, admitted that he had agreed with Cailan to falsify the interview and had always felt guilty. However, Huihuang was suspicious of Yiqiao's attitude and continued to pursue him fiercely, finally forcing Yiqiao to reveal what happened back then. What happened, and who is the real murderer of the "Cement Boy Bones Case". Cailan was devastated when she learned who the murderer was.