Based on Ao Youxiang's classic comic IP "Oolong Courtyard". It tells the story of the new enrollment season of Oolong Courtyard. A Wei (played by Wang Ning), who wants to be a bad guy, and Cheng Mingxing (played by Kong Lianshun), who wants to "learn bad things", sneak into Oolong Courtyard to learn from the master and take on a secret mission. In order to deceive the trust of Master Changmei (played by Wu Mengda), the two of them, together with Senior Brother Xiaowen (played by Hao Shaowen), Senior Brother (played by Liang Chao), Yangguang (played by Zhang Junhao), "Femme Fatale Junior Sister" Ruirui (played by Li Xinrui) and other apprentices, had a series of hilarious and embarrassing things in Oolong Courtyard. With the appearance of the mysterious woman (played by Wang Zhi), absurd and embarrassing things of fighting wits and courage are about to happen.