S Line (2025): cast, story & where to watch
2025 · Series · ★ 7.5
Released in 2025, S Line is a sci-fi & fantasy, drama and mystery series.
What it’s 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.
Who’s in it. S Line stars Lee Soo-hyuk as Han Ji-wook, ARIN as Shin Hyeon-heup, Lee Da-hee as Lee Gyu-jin and Lee Eun-saem as Kang Seon-ah, among others.
How it landed. With an audience score of 7.5/10, S Line has been warmly received by audiences.
Where to watch. In IN you can stream it on Channel K Amazon Channel. See the full, country-by-country breakdown on our where to watch S Line page.
If you liked it. Fans of S Line tend to enjoy Rick and Morty, Demon Slayer: Kimetsu no Yaiba, Attack on Titan and Attack on Titan: No Regrets.
Frequently asked
- Where can I watch S Line (2025)?
- In IN, S Line is available to stream on Channel K Amazon Channel. Availability varies by country — check our where-to-watch page for every region.
- Is S Line worth watching?
- S Line holds an audience score of 7.5 out of 10, and is a strong pick if you enjoy sci-fi & fantasy, drama and mystery. Most viewers rate it highly.
- Who stars in S Line?
- S Line stars Lee Soo-hyuk, ARIN, Lee Da-hee, Lee Eun-saem and Kim Dong-young.
- When was S Line released?
- S Line was released in 2025.