《Eight dragons》Ep16:episode 16
Qiao pointed to the dating Tan Po and Zhao QianSun points, and asked for the identity of the elder brother, but failed. Qiao went to find Tan Gong, but Tan Po and Zhao QianSun were killed when he returned, and Tan Gong killed himself. Qiao feng and A Zhu went to find Dan Zheng, who was believed to have lost his family when they arrived. Qiao feng and A Zhu went to tiantai mountain to find Zhi GuangDaShi. Zhi guang informed qiao feng's father that he was named Xiao YuanShan and gave him the extension of stone wall. Xiao Feng asked zhiguang for the identity of the eldest brother, who then killed himself by taking poison. Qiao feng and A Zhu agreed that when things were over, the two would go to live in seclusion.