S Line is a dark and gripping mini-series that combines mystery, psychological tension, and social commentary in a unique and disturbing way. The story follows a girl who can see red lines above people's heads, revealing their sexual relationships. If you’re a fan of K - dramas that push boundaries with unique concepts and gripping storytelling, S Line is a must-watch. This 2025 South Korean fantasy-thriller series has taken the global stage by storm with its provocative premise, stellar cast, and intense narrative. Set in the near future, where people's past sexual relationships are visually linked by a glowing red “ S Line ” visible above their heads. A detective, a mysterious teacher, and a girl born with the ability to see these lines navigate a series of disturbing events triggered by the phenomenon. Discover everything you need to know about the new webtoon-based Korean drama “ S Line ,” including its release date, cast lineup, and more.
