![](https://image.tmdb.org/t/p/w780/uiO2OEwuOCalQNLC8reoGnPxiod.jpg)
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Ended
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October 23, 2019
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Overview
Through a mysterious Motorola phone, two detectives - one from the present, and the other from 15 years in the past - begin communicating and working together to solve cold cases. This is the Chinese adaptation of 2016 tvN drama Signal.
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Cast & Crew
![](https://image.tmdb.org/t/p/w92/hWfKsHErCBPR3Z8gRkRvLuj9r0o.jpg)
Wang Tianchen
Gu Ming Zhe
![](https://image.tmdb.org/t/p/w92/setEefgBqWrubEi8nnIIE7c9zbS.jpg)
Li Xiaoran
He Jun
![](https://image.tmdb.org/t/p/w92/145aDUha3BeH7sFt4mnBGvGZMEt.jpg)
Cheng Fang Xu
Lu Xiao Bei
![](https://image.tmdb.org/t/p/w92/eQ0JFpXtW3Zs0AQwgEV2icjdJNo.jpg)
Du Chun
Cao Zheng
![](https://image.tmdb.org/t/p/w92/64GPKBHkrZvyUpOYDQrrD1BPmPa.jpg)
Chen Ya'an
Wen Jing Ya
![](https://image.tmdb.org/t/p/w92/s0wd1H54wG9BjQ377sCBxbR6xkI.jpg)
Zhao Qian Zi
Ma Xiao Jing's Mother
Seasons
![](https://criticate-dev.s3.amazonaws.com/default/sizes/default_image_92_138.jpg)
Season 1
32 episodes
Genres
MysteryCrimeSci-Fi & Fantasy