S Line Episodes 5-6 Release Date: Where To Watch and What To Expect As Mysterious Red Lines Reveal Final Fate

K-drama fans are eagerly awaiting the release of Korean drama S Line's episodes 5 and 6, with many wondering what’s next in the final episode. Scroll down to find out where to catch the last two episodes. 
S Line Episode 5-6 Release Date

S Line Episode 5-6 Release Date: If you’ve been hooked on the gripping storyline of ‘S Line’, the wait for the final episodes is almost over. Starring Lee Soo-hyuk, Arin, and Lee Da-hee, this suspenseful K-drama has kept viewers on edge with its unusual power, the ability to see glowing red lines that reveal past sexual connections.

As we approach the last two episodes, fans are eager to find out how it all ends. Will justice be served, or will the red lines expose even darker secrets? Here's everything you need to know about the ‘S Line’ finale, when and where to watch it, and what twists to expect.

Korean Drama ‘S Line’ Episodes 5-6 Release Date

The eagerly anticipated final two episodes of ‘S Line’, starring Lee Soo‑hyuk and Arin, are all set to release on July 25, 2025, Friday.

Where To Watch Korean Drama ‘S Line’ Episodes 5-6?

Fans can stream it at 11:00 am KST via the Wavve platform.

According to Canneseries's synopsis, ‘S Line’ is about, “The red line that ties you and your sexual partner. A girl, able to see invisible ‘S-Lines’, faces chaos with the emergence of glasses that reveal these lines. As greed consumes the wearers, she and a detective team up to halt this crisis and find the person behind it.”

Korean Drama ‘S Line’ Episode 5-6: What To Expect In The Finale

Detective Han Ji‑Wook will use the red‑line glasses to investigate a rape case involving a minor who denies it, forcing him to act on supernatural evidence. The power falls into dangerous hands once again, with potential for misuse and even murder connected to the infamous red lines.

You can expect each character to face truths that challenge their identities and relationships, leading to a climax tied deeply to Hyun‑hee’s destiny outlined in episode 6.

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Korean Drama ‘S Line’ Quick Recap: What Happened In Episodes 1-4

Hyun‑heup (Arin) can see glowing red 'S Lines' above people’s heads, which indicate past sexual relationships.When she dons special glasses, the lines intensify, revealing hidden connections among classmates. Things take a dark turn after student Seon‑ah dies under mysterious circumstances, leading Hyun‑heup and Detective Han Ji‑wook (Lee Soo‑hyuk) to join forces.

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Korean Drama ‘S Line’ Lead Cast

    • Lee Soo‑hyuk (Han Ji‑wook): A handsome and impulsive detective whose world shifts once he wears the glasses and sees the unfiltered truth.
  • Arin (Hyun‑heup): A high-school girl born with the S Line vision.
  • Lee Da‑hee (Lee Gyu‑jin): A calm and mysterious teacher with no visible red lines but lots of secrets.

As ‘S Line’ prepares to wrap up by this July, it’s shaping up to deliver an emotionally charged climax packed with lots of mystery. With supernatural elements, a sensitive criminal case, and characters facing deeper truths, it's a finale not to be missed.


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Image credit: Instagram/Wavve
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