Episode 1 Episodio 1
Ki-woo, who hasn't been able to tell his mother about his marriage problems and has been bouncing from one contract job interview to another due to rumors from his school days, meets "Lee Hyun-jae"- whose face is completely swollen-at Nakwon High School. On his first day of work, Ki-woo runs into Hyun-jae again, who is locked inside a locked gym storage room. He begins to feel uneasy about Hyun-jae, who seems completely unfazed...