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🔔 Notify me about new seasonsSynopsis
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.
Themes
Episodes
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- E1 The Girl With The SunglassesNext upJul 11, 2025 · 51 min · ★ 5.7
Synopsis
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...
- E2 The Animal KingdomJul 11, 2025 · 51 min · ★ 5.7
Synopsis
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...
- E3 A Fall Into DarknessJul 18, 2025 · 57 min
Synopsis
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...
Guest stars: Oh Ah-yeon (Kwak Chae-rin (Eps 3)), Cho Han-chul (Kim Byeong-Cheol (Eps 3)), Lee Sang-hee (Kyung-Mi (Eps 3))
- E4 Miseong MotelJul 18, 2025 · 55 min
Synopsis
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...
Guest stars: Shin Dong-mi (Police Station Woman)
- E5 The GlassesJul 25, 2025 · 55 min
Synopsis
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.
- E6 Chaos on the HorizonJul 25, 2025 · 51 min
Synopsis
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.
Cast & crew
Created by Ahn Joo-Young, Kkomabi
Lee Soo-hyuk
ARIN
Lee Da-hee
Lee Eun-saem
Kim Dong-young
Lee Gwang-hee
Lee Han-joo
Woo Ji-hyun
Nam Kyu-hee
Oh Woo-ri
Oh Seung-jun
Kim So-youngVideos
Trailers
Images · 14
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Reviews · from TMDB members
boobeepJul 30, 2025
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 nont… Read more
heless. i hope we get season two >< such a fun watch. contemplated reading the webtoon ver. lolol 4.5 stars !