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Sci-Fi & Fantasy•Drama•Mystery

The Best Episodes of S Line

Every episode of S Line ranked from best to worst. Let's dive into the Best Episodes of S Line!

Binge this in 5h 14m•Peaking at 7.8/10

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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Episode Rankings

  1. #1 Fan Favorite
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    S Line Season 1 Episode 5 - The Glasses
    7.8/10(142 votes)

    #1 - The Glasses

    S1:E5

    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.

    Director:Unknown
    Writer:Unknown

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  2. S Line Season 1 Episode 2 - Animal Kingdom
    7.7/10(225 votes)

    #2 - Animal Kingdom

    S1:E2

    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...

    Director:Unknown
    Writer:Unknown

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  3. S Line Season 1 Episode 3 - Apartment
    7.6/10(175 votes)

    #3 - Apartment

    S1:E3

    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...

    Director:Unknown
    Writer:Unknown

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  4. S Line Season 1 Episode 1 - Girl With Sunglasses
    7.5/10(304 votes)

    #4 - Girl With Sunglasses

    S1:E1

    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...

    Director:Unknown
    Writer:Unknown

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  5. S Line Season 1 Episode 4 - Meishin Hotel
    7.3/10(162 votes)

    #5 - Meishin Hotel

    S1:E4

    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...

    Director:Unknown
    Writer:Unknown

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  6. S Line Season 1 Episode 6 - S Line
    4.4/10(198 votes)

    #6 - S Line

    S1:E6

    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.

    Director:Unknown
    Writer:Unknown

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    7. Trending NowTRENDING NOW

    The 20 WORST Episodes of S Line

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Best Episodes Summary

"The Glasses" is the best rated episode of "S Line". It scored 7.8/10 based on 142 votes. Directed by Unknown and written by Unknown, it aired on 7/25/2025. This episode scored 0.1 points higher than the second highest rated, "Animal Kingdom".