Yi Yao uses herself as bait to record evidence of Professor Qin taking advantage of female students, however, she drops the voice recorder in his office. To help Yi Yao, Qi Ming and Gu Sen Xi both sneak into Professor Qin’s office late at night to retrieve it. Meanwhile, Hao Tian and Du Du run into each other while trying to Yi Yao, but Du Du falls into a pit in a construction site when the two try to take a shortcut. (Source: Viu)