Lu Lingfeng, who rushed over in a hurry, found bird feathers with plant leaves on them, and the chicken master identified them as coming from Zhongnan Mountain.Su Wuming woke up in a backyard in Zhongnan Mountain, and the birdman claimed to be an old friend.Everyone split up and searched Zhongnan Mountain to no avail.

Xijun drew a picture of Zhongnan Mountain and found that there was still a royal courtyard.Lu Lingfeng asked Lu Tong for help and entered the Royal Courtyard.The birdman is similar to the murderer in the paper shop case, and Lu Lingfeng suspects Wu Wenbin, a descendant of Li Wu.