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Dong-ju visits his old high school’s principal and sees a photo of a man who looks exactly like Ki-jeok. He asks around and finds out that the man in the photo is Lee Kang-san who went missing in 1995 with his brother, Lee Ha-neul. Meanwhile, Ki-jeok tells Dong-ju that his memories are coming back and that he remembers meeting Dong-ju’s father.
Jung Woo
Yook Dong-ju
Bae Hyeon-seong
Kang-san
Park Yu-rim
Park Hyun-soo
Oh Man-seok
Kai
Lee Ki-woo
Lee Myeong-seok
Kang Mal-geum
Chae Woo-jung
Seo Jae-hee
Kang Hye-kyung
So Hee-jung
Cha Young-sook
Jo Bok-rae
Jung Yong-dae
Lee Ji-hyeon
Lee Soo-yeon
Yoon Na-moo
Yook Chan-sung
Ahn Nae-sang
Lee Byung-man
Choi Deok-moon
Team Leader Oh
Seo Jae-kyu
Kang Jae-soo
Lee Sung-wook
Lee Tae-man
Choi Gwang-il
Byun Jong-il
Yoon Se-woong
Choi Jong-nam
Song Jae-ryong
Shin Kyung-chul
Lee Do-Hyung
Na Sang-woo