| Duration: | 4560 min |
|---|---|
| Genres: | Drama, Sci-Fi, Fantasy |
What if signals come from the past to help solve the 'cold cases'? A detective from the 90's is connected with a modern day profiler through an old wa…
Hae-young finds an old walkie-talkie in the corner and gets clues on the unsolved kidnapping case.
Hae-young joins the unfinished case squad and Jae-han says something through the walkie-talkie.
Hae-young is confused after discovering that the talks through the walkie-talkie changed the past.
The squad starts investigating the Gyeonggi Nambu case despite the opposition from their superiors.
Hae-young gets one step closer to the truth of the disappearance of Jae-han.
Hae-young continues to make an effort to change the wrongly intertwined past and future.
