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S Line

2025 Ended

7.5/10 176 votes

Sci-Fi & FantasyDramaMystery

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
Cast:: Lee Soo-hyuk, ARIN, Lee Da-hee, Lee Eun-saem
Language:: Korean
Country:: South Korea
Network:: wavve

Episode guide

Seasons

1 available

Miniseries

Episodes

Episode 1 selected

E01

Episode 1

★ 5.7

The Girl With The Sunglasses

2025-07-11 · 51m

Hyun-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...

Current episode

E02

Episode 2

★ 5.7

The Animal Kingdom

2025-07-11 · 51m

Hyun-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...

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E03

Episode 3

★ 6.5

A Fall Into Darkness

2025-07-18 · 57m

Seon-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...

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E04

Episode 4

★ 6.5

Miseong Motel

2025-07-18 · 55m

Ji-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...

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E05

Episode 5

★ 6.5

The Glasses

2025-07-25 · 55m

Ji -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.

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E06

Episode 6

★ 5.5

Chaos on the Horizon

2025-07-25 · 51m

Ji -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.

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