Plot: Hae Seong is caught off guard when he recognises Su A's childhood name, Bong Ja, which stirs memories of his first love and distracts him from his focus. Despite the emotional turmoil, Hae Seong pushes forward with the mission to uncover the secrets behind the third ghost story
Cast
Seo Kang-joonJeong Hae-sungSeo Kang-joon was 31 in Undercover High School - Season 1 - The 24th Anniversary of Byeongmun High School (Episode 7).
Birthday: Tue, Oct 12 1993
Jin Ki-jooOh Su-ahJin Ki-joo was 36 in Undercover High School - Season 1 - The 24th Anniversary of Byeongmun High School (Episode 7).
Birthday: Thu, Jan 26 1989
Kim Shin-rockSeo Myung-juKim Shin-rock was 43 in Undercover High School - Season 1 - The 24th Anniversary of Byeongmun High School (Episode 7).
Birthday: Tue, Mar 24 1981
Kim Min-juLee Ye-naKim Min-ju was 24 in Undercover High School - Season 1 - The 24th Anniversary of Byeongmun High School (Episode 7).
Birthday: Mon, Feb 05 2001
Yoon Ga-iPark Mi-jungYoon Ga-i was 24 in Undercover High School - Season 1 - The 24th Anniversary of Byeongmun High School (Episode 7).
Birthday: Sat, Sep 16 2000
Kim Young-ahIm Chung-haKim Young-ah was 49 in Undercover High School - Season 1 - The 24th Anniversary of Byeongmun High School (Episode 7).
Birthday: Mon, May 12 1975
Lee Hyeon-soHan Seung-jaeLee Hyeon-so was 26 in Undercover High School - Season 1 - The 24th Anniversary of Byeongmun High School (Episode 7).
Birthday: Mon, Mar 08 1999
Kim Seung BeomKim Ho Jin [Informant]Kim Seung Beom was 23 in Undercover High School - Season 1 - The 24th Anniversary of Byeongmun High School (Episode 7).
Birthday: Mon, Jan 21 2002