1 Season
16 Episode
Signal - Season 1 Episode 10 Someone Has to Stop the Bad Guys (2016)
The bodies discovered in the mountains appear to be more victims of the 1997 serial murder case. Jae-han learns that Soo-hyun became team leader.
- Country : South Korea
- Genre : Crime, Mystery, Sci-Fi & Fantasy, Drama
- Studio : tvN
- Director : Kim Eun-hee, Kim Won-suk
- Cast : Lee Je-hoon, Kim Hye-soo, Cho Jin-woong, Jang Hyun-sung, Jung Hae-kyun, Kim Won-hae
