S Line(2025)

Social. Sex. Secrets.

7.5(174)1 seasonJuly 11, 2025Ended

Synopsis

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.

Created by Ahn Joo-Young, Kkomabi

Where to watch Watch trailer

Where to watch S Line

Availability in US · data from JustWatch via TMDB

We don't currently track a service carrying S Line in US. Streaming rights move around constantly — it's worth checking back.

Trailer

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

Lee Han-joo

Yoon Ji-na

Woo Ji-hyun

Jung-woo

Nam Kyu-hee

Kim Hye-yeong

Oh Woo-ri

Lee Kyung-jin

Oh Seung-jun

Lee Ji-won

Kim So-young

Choi I-seo

Park Seong-il

Bang Seong-jin

Lee Ga-sub

Oh Jung-min

Park Ye-ni

Hee-won

Jeong Jae-kwang

Bartender

Jang Sun

Hyeon-heup's Mother

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Seasons

Miniseries

6 episodes · 2025

Hyeon-heup has been able to see the mysterious 'S lines' since birth, a secret only she could perceive. But when special glasses allow others to see it too, long-buried secrets and hidden connections surface, pulling her into a web of desire, betrayal, and dangerous truths in this haunting thriller.

S Line — frequently asked questions

Where can I watch S Line?+

We don't currently track a streaming service carrying S Line in your region. Check back — availability changes regularly.

When did S Line come out?+

S Line was first aired in 2025.

How many seasons of S Line are there?+

S Line has 1 season and 6 episodes in total.

Who created S Line?+

S Line was created by Ahn Joo-Young and Kkomabi.

Who stars in S Line?+

S Line stars Lee Soo-hyuk, ARIN, Lee Da-hee, Lee Eun-saem and Kim Dong-young.

Is S Line worth watching?+

S Line holds a 7.5/10 rating from 174 TMDB users, and is best suited to fans of sci-fi & fantasy, drama and mystery.

S Line(2025)

Synopsis

Where to watch S Line

Trailer

Cast

Seasons

Miniseries

S Line — frequently asked questions

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