<Korean TV Series NOW> ”Undercover High School” EP8, Seo Kang Joon tries to expose Jin Ki Joo's cheating case = Viewership rating 6.1%, Synopsis and spoilers

※This article contains spoilers. In EP8 of the MBC TV series "Undercover High School" (viewership rating: 6.1%), Hye-sung (Seo Kang-Joon) and Soo-ah (Jin
The story depicts how Kim Gi-joo (Ki-ju) tries to expose the corruption scandal. Hye-sung is confused when she finds out that she has been used by Myung-ju (Kim Shin-Rock) and that there is an informant within the National Intelligence Service.
In the process, Sua combined the musical score of Byeongmoon High School's school song with keywords to complete a sentence and answer questions related to the ghost story.
On the other hand, after much deliberation, Sua connects to the link written on the business card that Seung-jae (Lee Hyun-seo) dropped, and
There, she was shocked to find a list of VIP students who had been manipulated to get their grades. YENA (Kim Min Ju) also admitted that she had received benefits and gotten to her current position.
Myung-ju was shocked to find out that Su-a had connected to the link in the business card. She warned Su-a and repeatedly hit Seung-jae across the cheek when he spoke ill of her daughter Yena in front of her.
Sua tells Hye-sung about this, and Hye-sung predicts that it will also affect the average students, including Yoo-jung (Park Se-hyun), so they decide to investigate the school report fraud together.
The two discover that Myung-ju is getting the money she needs for her Education City project from the parents by manipulating the students' school grades.
Meanwhile, another crisis hits Hye-sung. The operation is ordered to be stopped, and she can no longer stay at school. Hye-sung is investigating a case of school report fraud.
Upon investigation, he becomes suspicious of what has happened, approaches Myung-ju, pretending to know about the fourth ghost story, and tries to stay at school while he tells her.