#애초에 장설귀는 누군데 처음 듣는다구요

[shaguagua]

山河令 ep22 pt.1

They met Gu Shang and Cao wening on the way to the siji house [四季山莊] and also met Shen shen..

This part is I thinnk Zhou zishu knows about Wen kexing being the head of ghost valley as he asks,

是誰長舌鬼？

Who is changshegui (long tougue ghost?)

They were discussing about Zhao jung and the death of Zhang family, and Zhou zishu had suspicion of diaosigui(吊死鬼) that he's not the one then Wen kexing was saying it was changshegui(長舌鬼). So actually Wen kexing gave his Identity away to Zhou zishu. Zhou zishu was really the head of tianchuang (天窗)