The latest Korean drama titled S Line is gaining high popularity right now. Although it has only aired the first two episodes, fans are eagerly awaiting the third and fourth episodes that aired on Friday, July 18, 2025. The following are spoiler leaks and link to watch Korean drama S Line Episode 3 and 4.
The drama features cast members such as Lee Soo Hyuk, Lee Da Hee, Arin, and Lee Eun Saem. Director Ahn Ju Young, previously known for the movie “A Boy and Sungreen” (2019), is in charge of directing this drama.
Curious about the continuation of this drama? Check it out to find out spoilers and links to watch S Line eps 3 and 4 below!
S Line Eps 3 and 4 Spoiler
In the previous episode that aired last week, Kang Seon A discovered a unique ability thanks to a mysterious pair of glasses that allow her to see the common threads that connect people around her.
The most surprising thing for Seon A was that she managed to find out the secret relationship between the bully who often bothered her and their language teacher.
With this information, Seon A begins to stalk the two and manages to take a number of photos of the two of them together in secret. These photos are then used by Seon A as a means of threatening the bully to stop hurting her and at the same time to blackmail her cheating teacher.
At the end of the second episode, the bully stole Seon A’s magic glasses, causing her to lose her ability. In a depressed state, Seon A meets her teacher on the school roof and demands money with the threat of telling the teacher’s wife about the affair.
However, just as the teacher was about to give him the money, he received a message from his wife questioning him about an intimate photo with his mistress. Suddenly, Seon A fell off the school roof and died.
Seon A’s death was investigated by a police team led by Han Ji Uk (Lee Soo Hyuk). Ji Uk himself doubts that Seon A’s death was a suicide.
Meanwhile, Seon A’s homeroom teacher, Lee Gyu Jin (Lee Da Hee), hands over Seon A’s mysterious glasses to another teacher. Through the glasses, the teacher learns that his future wife has had an intimate relationship with his friend.
This week’s episode looks set to start revealing Gyu Jin’s involvement and his relationship with the glasses. Previously, Seon A had noticed that Gyu Jin seemed unconnected to anyone, which suggested that he had never had an intimate relationship before.
Link to Watch S Line Episode 3 and 4
You can watch the S Line series every Friday through the Wavve platform. This week, episodes 3 and 4 were released simultaneously on Friday, July 18, 2025.
Follow Han Ji Uk’s detective story by clicking on the following links to watch S Line eps 3 and 4 to uncover the mystery behind the common thread that envelops this story.
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