Season 1 • Episode 10
LatestTwo detectives communicate through a walkie-talkie to solve a cold case. One detective exists in the present day, and the other detective exists 15 years in the past.
Acting
Kentaro Sakaguchi's desperate determination breaks hearts.
Writing
Tight cause-and-effect plotting across two timelines.
Editing
Seamless cuts between 2003 and 2018 that disorient perfectly.
Trivia, insights & behind the scenes
This Japanese remake of the 2016 Korean drama 'Signal' swaps the original's political conspiracy focus for more intimate character tragedy, reflecting different national attitudes toward institutional trust.
The walkie-talkie prop was modified to produce authentic static interference — the actors couldn't hear each other's lines during filming, forcing genuine reactions to 'signal loss.'
JP
