Detective Dee Renjie episode II, which episode did Li Yuanfang play with the man in the coffin?

Li Yuanfang fought against the 10 master of the Iron Hand Regiment, and finally won with superb martial arts. 10' s master was injured by his big 8 1, but Li Yuanfang was exhausted and set on fire by the dragon wind. He wanted to burn Li Yuanfang to death, but he didn't. Ba's daughter Xiaoqing saved him, but he lost his memory. Xiaoqing named him Shuishui.