▶️ Official trailer
📖 Synopsis
A detective in the present can communicate via walkie-talkie with a detective in the past. Together, they attempt to solve unresolved crimes.
✍️ Our review
9.0/10
★★★★★
The smartest time-thriller in K-drama. Each episode ends in a perfect cliffhanger.
🎞️ Technical sheet
Director
Kim Eun-hee
Year
2016
Genre
Thriller
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