Ep 9. Episode 9

During episode 9 of the first season of Tunnel, the investigation into the serial killings intensifies as the team discovers more evidence implicating the killer. The episode opens with a flashback to 1986, where viewers are given a glimpse into the killer's past. The team also learns more about the killer's motives and the events leading up to the murders, which adds a new layer of intrigue to the case.

As the investigation continues, the team begins to suspect that the killer may have an accomplice. This leads them on a search for a second suspect, and tensions begin to rise as they struggle to find any solid leads. Meanwhile, Park Kwang-ho, the detective from the past who was transported to the present, continues to struggle with his new reality and the impact it has on his relationships with his family and friends.

Throughout the episode, viewers are treated to a number of tense and dramatic scenes, as the team races against the clock to solve the case before the killer strikes again. As they begin to close in on the truth, they are forced to confront some difficult questions about the nature of justice and the lengths people will go to when seeking revenge.

Overall, episode 9 of Tunnel is a thrilling addition to the series, filled with plenty of twists and turns to keep viewers on the edge of their seat. With its strong performances, complex plot, and powerful themes, it is sure to be a standout episode for fans of the show.