S Line Season 1 Episode 3
A Fall Into Darkness
Seon-ah falls from the rooftop and falls into a coma. Ji-wook cries out in self-reproach and anger, and cooperates with Hyun-heup to find the culprit. Meanwhile, Jung-woo, an English teacher at Bangju High School, witnesses his girlfriend's affair before their wedding and breaks off the engagement. And soon after, he finds a pair of glasses on his desk...
Guest Stars
Oh Ah-yeon
Kwak Chae-rin (Eps 3)
Cho Han-chul
Kim Byeong-Cheol (Eps 3)
Lee Sang-hee
Kyung-Mi (Eps 3)