Title: S라인 / S Line
Genre: Fantasy, Thriller
Episodes: 6
Broadcast network: WAVVE
Broadcast period: 2025-Jul-11 to 2025-Jul-25
Air time: Friday

The show will tell the story of a mysterious red line that appears above people’s heads, connecting them to those they’ve had sexual relations with. Han Ji Uk is a detective who wants to discover the truth about the mysterious red line. Lee Gyu Jin is a quirky high school teacher, and Sin Hyeon Hop is a high school student who has been able to see the red line since birth.