Bao Zheng is escorted by Gongsun Ce, Zhan Zhao and the Four Constables as he goes to Gaochang to marry some princess.
The chums look up past cases and suspect Butterfly is in fact carpenter Du Jiang.
Esquire Wang is found dead in a back alley beside a brothel named Leisure House.
Niannian is taking good care of Bao Zheng, causing Bao Zheng to become suspicious.
Zhongliu honestly tells Qianyu he fancies Linlong. Also, he and Esquire Wang plotted to make fake notes.
Niannian asks Qianyu to let her take shelter in the library.