In this chapter, we learn that the man who killed Gao Ling was discovered the morning of May 9th and sneaked into the house of liu li that night. The technical team should recover the albums and mobile phone of the dead man and send out more teams to the bathing houses to find the escorts. The escorts should also be informed that if they cooperate in the next investigation, they will be fined if caught. The captain asks the piano player if he likes the new piano. The piano player says he doesn't know, and the captain asks him how he's going to answer the question.