Series

Watch S Line (2025) Online

7.5170 votes2025TV-MAEndedSci-Fi & FantasyDramaMysteryOfficial site

Synopsis

“Social. Sex. Secrets.”

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.

Episodes

Miniseries

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1. The Girl With The SunglassesNow viewing2025-07-1151m5.7Hyun-heup, a girl who was born with the ability to see the S-line that indicates sexual relations. Because of this ability, Hyun-heup's family faces tragedy, and Hyun-heup becomes a reclusive loner for a long time. Then one day, a series of suspicious murders occur around Hyun-heup, and Hyun-heup uses his ability to see the S-line to track down the case...
2. The Animal Kingdom2025-07-1151m5.7Hyun-heup goes to Bangju High School after receiving a mysterious text message. There, he reunites with Seon-ah, a middle school classmate and Ji-wook's niece. However, Seon-ah is a victim of bullying from bullies. One day, when the bullying from bullies reaches its peak, Seon-ah discovers a mysterious pair of glasses in her locker...
3. A Fall Into Darkness2025-07-1857m6.5Seon-ah falls from the rooftop and falls into a coma. Ji-wook cries out in self-reproach and anger, and cooperates with Hyun-heup to find the culprit. Meanwhile, Jung-woo, an English teacher at Bangju High School, witnesses his girlfriend's affair before their wedding and breaks off the engagement. And soon after, he finds a pair of glasses on his desk...
4. Miseong Motel2025-07-1855m6.5Ji-wook, who was continuing the investigation to find the culprit of the Seon-ah incident, hears about the S-line from Hyun-heup, but doesn't believe it. Meanwhile, Bang Ju-goo, an employee who lives in a goshiwon and dreams of becoming an actor, finds S-line glasses at Mi-seong's house and feels liberated, but soon after, he sees a woman connected to the music teacher he had a crush on and feels strong jealousy...
5. The Glasses2025-07-2555m6.5Ji -wook, who finally discovered glasses in the bloody bathtub of aesthetic, admits that the words of Hyun -suk were true. Use the power of glasses to start an investigation into sexual violence in the runway. And I think that the person connected to the only one S line of Sun -ah is the culprit of the Sun -a case.
6. Chaos on the Horizon2025-07-2551m5.5Ji -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.

Cast

Top Billed 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
No photo
Jang Sun
Hyeon-heup's Mother

Availability

Where To Watch Legally

No legal streaming, rental or purchase options for S Line were reported for this region.

FAQ

Frequently Asked Questions

Is S Line available to watch online?

Vidbox does not currently have a legal streaming, rental or purchase option on record for S Line in this region.

How many seasons does S Line have?

S Line has 1 season and 6 episodes.

When did S Line first air?

S Line first aired in 2025.

Is S Line still running?

S Line's status on TMDB is: Ended.

What genre is S Line?

S Line is classified as Sci-Fi & Fantasy, Drama, Mystery.