Watch S Line (2025) Online Free in HD

Social. Sex. Secrets.

2025 · Sci-Fi & Fantasy, Drama, Mystery · 7.5/10 (174 votes) · 1 season · 6 episodes · Ended

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.

Creators & Crew

Directed by Ahn Joo-Young

Created by Ahn Joo-Young, Kkomabi

Cast

• Lee Soo-hyuk as Han Ji-wook (Acting)
• ARIN as Shin Hyeon-heup (Acting)
• Lee Da-hee as Lee Gyu-jin (Acting)
• Lee Eun-saem as Kang Seon-ah (Acting)
• Kim Dong-young as Oh Dong-sik (Acting)
• Lee Gwang-hee as Joon-seon (Acting)
• Lee Han-joo as Yoon Ji-na (Acting)
• Woo Ji-hyun as Jung-woo (Acting)
• Nam Kyu-hee as Kim Hye-yeong (Acting)
• Oh Woo-ri as Lee Kyung-jin (Acting)
• Oh Seung-jun as Lee Ji-won (Acting)
• Kim So-young as Choi I-seo (Acting)

Seasons

• Miniseries (2025) — 6 episodes. 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.

Details

Genres: Sci-Fi & Fantasy, Drama, Mystery

Language: Korean

Country: South Korea

Network: Sidus

Original title: S라인

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S Line is a 2025 sci-fi & fantasy, drama, mystery series rated 7.5 out of 10 by 174 viewers on TMDB. The series follows: 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.

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