1 Season
16 Episode
Signal - Season 1 Episode 9 Hongwon Dong Case (2016)
Hae-young learns that Chi-soo and Jae-han met in 1999 during a case in Inju. After serving time for the crime, Hae-young's brother had killed himself.
- 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