tunnel is a South Korea drama released in 2017 rated 8.6/10 with 16 episodes. This thriller series has been watched by 38,608 viewers.
Key Details
| Country |  South Korea |
| Genre | ThrillerMysterySci-FiFantasy |
| Year | 2017 |
| Episodes | 16 |
| Duration | 01:04:00 |
| Rating | 8.6/10 |
| Director | Nam Ki Hoon, Shin Yong Hwi |
| Main Cast | Choi Jin Hyuk, Yoon Hyun Min, Lee Yoo Young |
| Type | Drama |
| Content Rating | 15+ – Teens 15 or older |
Plot & Analysis
Story Overview
In 1986, Park Gwang Ho works as an excellent and enthusiastic detective. His life changes when he’s pursuing leads in a serial homicide case and then passes through a time portal, which transports him to present day Seoul. He meets a new partner Kim Sun Jae, an elite detective who happens to be a bit eccentric, but is one highly skilled investigator. The detective duo will also find help in psychology professor, Shin Jae Yi. (Source: MyDramaList)
Critical Reception
tunnel has received excellent reviews with a rating of 8.6/10 based on 17,266 ratings. It is ranked #279 in popularity.
Frequently Asked Questions
What is the rating of tunnel?
tunnel has a rating of 8.6/10 based on 17,266 ratings.
How many episodes does tunnel have?
tunnel has 16 episodes, each approximately 01:04:00 long.
What genre is tunnel?
tunnel is a Thriller, Mystery, Sci-Fi, Fantasy drama from South Korea.
Who are the main actors in tunnel?
The main cast of tunnel includes Choi Jin Hyuk, Yoon Hyun Min, Lee Yoo Young.
When was tunnel released?
tunnel was released in 2017 in South Korea.
Data sourced from publicly available entertainment databases. Last updated: April 13, 2026.