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S Line

Suddenly red lines appear above people's head. These red lines connect people who have had sex relations. Due to this, embarrassing or secret sides of people are revealed. People call these red lines "S Line."

Han Ji-Wook (Lee Soo-Hyuk) is a detective with an attractive appearance and free spirit. He chases after the truth of the S Line. Kyu-Jin (Lee Da-Hee) is a high school teacher with unique charm. Hyun-Hob (Arin) is a high school student. She has been able to see the red lines since she was born.

Show Info

Web channel: Korea, Republic of wavve (2025 - 2025)
Schedule: Fridays at 11:00 (~ 52 min)
Status: Ended
Language: Korean
Show Type: Scripted
Genres: DramaFantasyThriller
Episodes ordered: 6 episodes

Official site: www.wavve.com

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Previous Episode

S-line

Episode 1x06; Jul 25, 2025

Ji -wook finds out the truth about Sun -ah's S -line through glasses. Meanwhile, Hyun -suk, ahead of his 18 -year -old birthday, makes a big decision and meets the Jun -sun, which leads to an unknown confusion.

Previous Episodes

Episode NameAirdateTrailer
1x06: S-lineJul 25, 2025
1x05: GlassesJul 25, 2025
1x04: ImmatureJul 18, 2025
View full episode list »

Cast

Extra Details

Also known as:
  • S라인
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