Watch S Line Online

Name: S Line
Genre: Sci-Fi & Fantasy, Drama, Mystery
Rating: 7.5
Cast: Lee Soo-hyuk, ARIN, Lee Da-hee, Lee Eun-saem, Kim Dong-young

★ 7.5 1 Seasons Sci-Fi & FantasyDramaMystery

S Line — Sci-Fi & Fantasy, Drama, Mystery. Watch S Line online on IPTV 4K in 4K Ultra HD, with no downloads and no buffering.

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What is S Line about?

A young woman with the ability to see mysterious red connections between lovers discovers her secret gift is no longer unique when special glasses granting similar powers appear on the black market.

Latest episode

S1 · Episode 6 — Chaos on the Horizon · 2025-07-25

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.

Genres: Sci-Fi & Fantasy, Drama, Mystery
First aired: 2025-07-11
Rating: ★ 7.5 / 10

Top cast

Lee Soo-hyuk Han Ji-wook
ARIN Shin Hyeon-heup
Lee Da-hee Lee Gyu-jin
Lee Eun-saem Kang Seon-ah
Kim Dong-young Oh Dong-sik
Lee Gwang-hee Joon-seon

How to Watch S Line on IPTV 4K

Watching S Line on IPTV 4K takes about a minute: start a free trial, open the app on your TV, phone, Fire Stick or browser, and press play — all in 4K Ultra HD.