Two detectives communicate through a walkie-talkie to solve cold cases. One detective exists in the present day and the other detective exists 15 years in the past.
Where to Watch Signal (JP) • Especiales
1 Episode
Signal ~ Chouki Mikaiketsu Jiken Sousahan Special
E1
Signal ~ Chouki Mikaiketsu Jiken Sousahan SpecialThe story begins shortly after the finale episode of the 2018 drama, and then moves to 2020, two years later.
