Ji-ho reveals that he is the son, and the prosecutor who investigated his father was Seo Byung-ju. Later on, Han Joon-hwi wants to see the files, the story clearly affects him. However, Kang also noticed the drugs on the table and was the one who apparently put them inside Seo's cafe. As Kang sits opposite Yang, he confirms that it was he who killed Professor Seo.
Did Kang really kill Byung-Ju? Or is it another deception? We'll have to wait and see, of course, but it could be that he's covering up for Sol-B. However, there are still many episodes ahead and, without a doubt, a lot to unravel here as well. Before the assassination of Seo Byung-ju, Professor Yang posed a question about the article by Kang Sol B, which the first deduced had copied Professor Seo's Harvard article. Finally, when she retrieved her laptop, she also learned about Professor Kang's relationship with Kang Sol B.
No Seung-hye (Yoon Se-ah) is the wife of Cha Min-hyuk (Kim Byung-chul), a perfectionist law professor. She doesn't like the way her husband teaches his twin sons, Cha Seo-joon (Kim Dong-hee) and Cha Ki-joon (Jo Byeong-kyu). It is later revealed that her daughter, Cha Se-ri (Park Yoo-na), who has always been Min-hyuk's pride since she attended Harvard University, is hiding something from them. Reviewing what happened in the past, he points out that Sol-B has been lying about what actually happened to Seo.
The flashbacks revealed that Ji Ho wants to accuse Professor Seo of publicizing an alleged crime that led to the death of his father. The drama revolves around the lives of housewives who reside in a luxurious residential area called SKY Castle (a reference to elite universities) in the suburbs of Seoul, where wealthy doctors and teachers live. It seems that Professor Seo submitted her work without her consent, while Hye-Gyeong insists that Sol-B is incredibly intelligent on her own, having played with law books since she was a child. It seems that the characters have forgotten that Jin, Lee Man Ho and Professor Seo made the decision to be shady with Go.
Professor Kang's wife, who can't overcome her husband's failure to become a family judge, argues that it was prosecutor Seo who took her son's high school newspaper. He told Han Joon Hwi (Kim Bum) that it doesn't make sense for Professor Seo Byeong Joo (Ahn Nae Sang) to write the argument in the case of Kang Sol B (Lee Soo Kyung) that contradicts the article about the death of the CEO of the toy company Seo Gi-yeol. After all, for Ye-seul to win the case is not the end of the story, but that of Professor Seo, and defeating Assemblyman Go must be the ultimate goal. Both recognized that they didn't ask the right question, to begin with, they weren't involved in Seo Byung-ju's death.
After the suicide of Lee Myung-joo (Kim Jung-nan), mother of Park Young-jae (Song Geon-hee), Joo-young's former student and recently admitted to Seoul National University, Lee Soo-im's family (Lee Tae-ran) moves to SKY Castle. All people labeled as being involved in Seo Byung-ju's death will be found not guilty after the close of each weekly chapter. Professor Kim with suggestions that Assemblymember Go, Yangcrates shake prosecutor Jin, Joon-hwi likes someone, but I don't think he followed up this time and, above all, Seol A disguised as Erica Shin.