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. Explore the S Line Web Series Season 1 (2025) Season 1: Episodes 1 & 2, full details on the cast & crew, OTT release date and platform, episode guide, reviews, trailer and photos only on Filmibeat. Find out how and where to watch " S Line " online on Netflix, Prime Video, and Hotstar today – including 4K and free options. K-drama “ S Line ,” winner of multiple awards, finally premieres on Korean OTT platform, promising gripping storytelling and top-tier performances.
