Zhang Xiaojing wants to invite Ge Lao, who oversees all illegal trade in Chang’an, to assist with the investigation. Ge Lao demands that Zhang Xiaojing hands over the mole. Zhang Xiaojing sells out Xiao Yi, for which he loses the support of all mercenaries in Chang’an. Ge Lao discloses the fact that a prostitute called Tong’er is the issuer of the VIP pass, and he happens to hold her imprisoned. Tong’er tells Zhang Xiaojing that she would only disclose Long Bo’s hideout if Ge Lao is prepared to free her and her lover. Ge Lao refuses to set them free.
葛老掌管长安的各种黑色交易，张小敬提出让葛老协助查案，葛老要求张小敬出卖暗桩，张小敬指认小乙，这让张小敬失去了所有长安不良人的支持。葛老指认恩客令的主人是一个叫瞳儿的青楼女，恰巧被葛老关押着。瞳儿要挟张小敬，只有葛老肯放她和情郎双双离开，才会说出龙波藏身之处，葛老不肯放人，张小敬焦灼。昌明坊，大车货物交卸完毕，鱼肠将十几个车夫全部斩杀。
