

Overview
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
Cast
71Open an episode for ages at its air date.
Full cast · 71



























































- TMDB ID
- 64840 ↗
- First aired
- 2016-01-22
- Last aired
- 2016-03-12
- Status
- Ended
- Genres
- Crime, Mystery, Sci-Fi & Fantasy, Drama
- Creators
- Kim Eun-hee, Kim Won-suk
- Countries
- KR
- Languages
- Korean
Family guidance
Age ratings
NRSpain (ES)
No rating information.
TV-MAUnited States of America (US)
This program is specifically designed to be viewed by adults and therefore may be unsuitable for children under 17.
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Kids-In-MindEditorial 0–10 ratings
Kids-In-Mind rates movies, not TV series. This says nothing about the content of this series.
All regional certifications (5)
NRSpain (ES)
No rating information.
TV-MAUnited States of America (US)
This program is specifically designed to be viewed by adults and therefore may be unsuitable for children under 17.
16Germany (DE)
Can be aired only from 10:00pm Uhr to 6:00am.
NC16Singapore (SG)
No additional details available.
15South Korea (KR)
This rating is for programs that contain material that may be inappropriate for children under 15, and that parental discretion should be used. Examples include most dramas, and talk shows on OTA (over-the-air) TV (KBS, MBC, SBS), and many American TV shows/dramas on Cable TV channels like OCN and OnStyle. The programs that have this rating may include moderate or strong adult themes, language, sexual inference, and violence. As with the TV-MA rating in North America, this rating is commonly applied to live events where the occurrence of inappropriate dialogue is unpredictable. Since 2007, this rating is the most used rating for TV.













