What episodes did Prajna Dugu have with Yuwen Hu for the first time?

Episode 17. In the TV series Lonely World, the seventeenth episode tells that Prajna paramita did not return to Wang Fu, the capital of Ningdu, and did not live in her mother's house. She quietly came to a surname mansion, begged Yuwen Hu humbly, and quickly tried to rescue Galo. Yu Wenhu holds her lover in front of her, and she can't resist the charm of Prajna Paramita at any time. It is snowing outside the window, and the indoor spring scenery is abundant. Although the spring night is short, it is worth a thousand dollars. Dugu Tianxia, directed by Shu-Pui Hou and Chi Wai Laam, written by Andy, starring Hu Bingqing, Andy, Jeremy Jones, Yixiao Li, Hansen, Huang Wenhao, Zou Tingwei, Lu Xingyu, Li Ruichao, Zhao Yixin, Gao Siwen and Liu Shuai, especially An Yixuan. The drama tells the story of Du Guxin, an important official, against the background of the turmoil in the ruling and opposition parties in the late Northern Zhou Dynasty in ancient China.