What episode of Love in Beijing is a madman chasing Shen Bing back to Kunming?

In the 20th episode, Cheng Feng bought a ticket and decided to go back by train with Shen Bing. On the train, Cheng Feng can only sit far away from her. Shen Bing A guy with glasses has been foolishly pursuing Shen Bing. The guy with glasses thinks Cheng Feng likes Shen Bing too, so he tries his best to prevent him from approaching Shen Bing. Cheng Feng and the guy with glasses robbed an empty seat next to Shen Bing, and there was an episode in their journey. Cheng Feng took over Cheng Feng's work under the pretext of going out to play, regardless of company affairs. Lin Xia returned to her old place and found that Faith had found a foreign girlfriend. Shao Huayang finally came to Lin Xia's side, and Lin Xia seemed to find a place to live. Shao Huayang claimed to be a "big medicine bottle" and claimed to cure Lin Xia's heart disease. Shao Huayang has been accompanying Lin Xia, singing, dancing and eating spicy incense pots. Lin Xia needs time to forget Cheng Feng. She sincerely thanked Shao Huayang, and Shao Huayang said that he was always ready if necessary. Lin Xia's parents forced her to attend a blind date, and she finally couldn't stand it after meeting all kinds of strange men.