S01E0151:181. The Girl With The SunglassesHyun-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…Episodes — Miniseries
Season pageS01E0151:181. The Girl With The SunglassesHyun-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…
S01E0251:322. The Animal KingdomHyun-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…
S01E0357:583. A Fall Into DarknessSeon-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…
S01E0455:054. Miseong MotelJi-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…
S01E0555:315. The GlassesJi -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…
S01E0651:536. Chaos on the HorizonJi -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…Where to stream S Line
No streaming offer listed in the United States yet.
Availability provided by JustWatch via TMDB. Offers in the United States, subject to change.
S Line 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.
S Line cast
Lee Soo-hyukHan Ji-wook · 6 ep.
ARINShin Hyeon-heup · 6 ep.
Lee Da-heeLee Gyu-jin · 6 ep.
Lee Eun-saemKang Seon-ah · 6 ep.
Kim Dong-youngOh Dong-sik · 6 ep.
Lee Gwang-heeJoon-seon · 6 ep.
Lee Han-jooYoon Ji-na · 6 ep.
Woo Ji-hyunJung-woo · 6 ep.
Nam Kyu-heeKim Hye-yeong · 6 ep.
Oh Woo-riLee Kyung-jin · 6 ep.
Oh Seung-junLee Ji-won · 6 ep.
Kim So-youngChoi I-seo · 6 ep.
Park Seong-ilBang Seong-jin · 6 ep.
Lee Ga-subOh Jung-min · 6 ep.
Park Ye-niHee-won · 6 ep.
Jeong Jae-kwangBartender · 6 ep.S Line trailer
About the series S Line
S Line is a series (sci-fi & fantasy and drama) created by Ahn Joo-Young and Kkomabi, airing on wavve since 2025. It has 1 season and 6 episodes. The series ended on July 25, 2025. Cast members include Lee Soo-hyuk, ARIN and Lee Da-hee. It is rated 7.5/10 by 174 TMDB users.
Frequently asked questions about S Line
Where to watch S Line online?
No legal streaming offer is listed in the United States for S Line yet (source: JustWatch via TMDB). Each episode has its own page with this information.
How many seasons of S Line are there?
S Line has 1 season for a total of 6 episodes.
Has S Line ended?
Yes, the series has ended: the last episode aired on July 25, 2025.
Who stars in S Line?
The lead actors are 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).
