What episode is the encounter between the fortune teller and the murderer in countless cities?

In the TV series Under the Numerous Cities, the fortune teller met the murderer in the eighth episode. After seeing the murderer, the fortune teller asked Qu Sange and others to provide them with clues about the murderer and let them know that the murderer was more cautious. At the same time, the fortune teller found the information of meeting the old friend in the Tibetan poems.