Episode 7

When investigating the third bizarre story, the National Intelligence Agency found that the school song recorded by Hai Cheng on the landing clock was actually a four-handed joint.In order to find clues to the weird talk, the two had to play the school song together. In the process of finding a suitable performer, Sooya joined them and worked closely with the four domestic groups.In particular, Hae-sung and Soo-ah showed a perfect team understanding and successfully obtained the fingerprint of the principal Park Jae-moon (played by Park Jin-woo), and removed the security system of the chairman's office.

The grand “Bingwen Gao Night ” event officially kicked off.On this day, Gao Yingxun (played by Zhao Fulai) took advantage of Xu Mingzhu (played by Kim Shin-rok) meeting with his parents alone, and went to the distribution room to cut off the power.Although Hae-sung and Soo-a took the opportunity to act and tried to enter the chairman's office, the electricity recovered faster than expected, causing the operation to fall into crisis.In order to solve this emergency, Park Mi-jung (played by Yoon Kerr) and Young-hoon tried their best to perform an impromptu drama, and in order to attract the attention of the security guard, they did not hesitate to kiss boldly.Thanks to the time Mijun and Young-hoon won, Hae-sung and Soo-ah successfully arrived in front of the chairman's office.However, the security guard suddenly appeared, and the two who were forced into desperate situation had to fight.After physical training, they joined forces to defeat Baoquan and successfully broke into the office.

Haicheng accidentally learned the shocking truth. Due to a keyboard failure, the two failed to successfully play the school song and had to leave the chairman's office in a hurry.However, when Hai Cheng deleted the browsing record on Xu Mingzhu's computer, he accidentally found a file called “ combat plan_undercover college ”, which not only included the activity combat plan, but also contained Hai Cheng's personal file... Seeing everything Hai Cheng fell into chaos, he realized that he was being used by Xu Mingzhu, and there were traitors within the National Intelligence Agency.