In which episodes did Cheng Xiao know that Gu Nanting was the landlord?

In episode 17, Cheng Xiao knew that Gu Nanting was the landlord. "Gone with the Wind" episode 17, the story of Zhong Chengxiao, knows the identity of the landlord of Gu Nanting. "Gone with the Wind" is an urban inspirational drama produced by iQiyi and Huace Film and Television, and jointly produced by Deshe Film and Television, Xingyun Culture and Xiamen Airlines. It is directed by and starring Seven, Yan Zidong, Shao, and Bozi Orange, and starring Liu Jun and Cheng Shentai.