S-Line Season 2: Will Lee Soo Hyuk & Lee Da Hee Return? Here's What We Know After the Tense Season 1 Finale
Is S-Line returning for Season 2? Here’s everything we know about the ending of the Lee Soo Hyuk starrer and what to expect next.
S-Line Season 2: Will Lee Soo Hyuk & Lee Da Hee Return? Here's What We Know After the Tense Season 1 Finale

The gripping K-drama S-Line, starring Lee Soo Hyuk and Lee Da Hee, has wrapped up its first season — and fans are already eagerly asking: Will there be a Season 2 of S-Line?
Streaming on Wavve, the mystery-thriller concluded with an intense, emotionally charged climax that left many questions unanswered. With viewers still reeling from the shocking final scenes, speculation is high about a second season.
🔍 Is S-Line Season 2 Confirmed?
As of now, there is no official confirmation from Wavve or the creators about S-Line Season 2. However, the open-ended finale and growing popularity suggest that a second season is highly possible.
The series is based on a popular webtoon, and given the source material's depth and unexplored layers, there’s plenty of room for the story to continue.
🎬 S-Line Ending Explained: What Happened in the Finale?
In the S-Line universe, mysterious red lines appear above people’s heads, exposing their secrets, sexual relationships, and shameful truths.
By Episode 6—the season finale—the narrative reaches its peak:
Shin Hyun Huep learns that the red lines vanish when a person dies, erasing their secrets from existence.
Detective Han Ji Wook (played by Lee Soo Hyuk) follows a red line linked to his hospitalized niece and discovers a disturbing truth: it connects back to his own father.
It’s then revealed that Lee Gyu Jin is the real killer, responsible for a string of mysterious deaths.
The finale also transports viewers into a surreal world where people are desperate to remove the red lines, even at the cost of others' lives. Ji Wook witnesses his father being killed by Gyu Jin.
In a stunning final scene, the entire sky lights up with red lines, revealing everyone's secrets to the world—leaving humanity exposed and vulnerable.
👥 Cast Highlights
Lee Soo Hyuk as Detective Han Ji Wook
Lee Da Hee in a pivotal supporting role
Lee Gyu Jin as the chilling antagonist
📺 Where to Watch S-Line
All six episodes of S-Line Season 1 are available for streaming exclusively on Wavve.
🔮 What Could Happen in S-Line Season 2?
If S-Line returns for Season 2, fans can expect:
A deeper dive into the mystical S-Line world
The aftermath of humanity's mass exposure
Detective Ji Wook possibly seeking revenge or redemption
New characters with even more twisted secrets