S Line

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
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Full Cast & Crew

Current Season

Season 1

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.

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Reviews

A review by boobeep

Written by boobeep on 2025-07-30

a girl was born with the ability to see red lines and we follow her and several characters that are directly or somewhat involved with the red lines. it was honestly rlly intriguing. i was in slump of what to watch and this hooked me from start to finish. each episode just kept hooking and surprising me. i loved seeing the dynamics on different people and how they interacted and used the glasses. it took a weird,,? turn towards the end but i loved the watching experience nontheless. i hope we get season two >< such a fun watch. contemplated reading the webtoon ver. lolol 4.5 stars !

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