1 Temporada
16 Episodi
시그널
- Curs: 2016
- País: South Korea
- Gènere: Crime, Mystery, Sci-Fi & Fantasy, Drama
- Estudi: tvN
- Paraula clau: corruption, investigation, murder, tragic past, butterfly effect, dark, suspense, thriller
- Director: 김은희, Kim Won-suk
- Repartiment: 이제훈, 김혜수, 조진웅, 장현성, 정해균, 김원해