S Line Season 1 Episode 1

S Line Season 1 Episode 1 SerialGo Watch Online Streaming — Hyun-heup, a girl who was born with the ability to see the S line that indicates sexual relationships. Because of this ability, Hyun-heup's family faces a tragedy, and Hyun-heup becomes a withdrawn loner for a long time. Then, one day, a series of suspicious murders occur around Hyun-heup, and she uses her ability to see the S line to investigate the case...