![Unknown Number](https://i3.wp.com/image.tmdb.org/t/p/w185/uiO2OEwuOCalQNLC8reoGnPxiod.jpg)
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.
Creator | N/A |
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Actor | Du Chun, Li Xiaoran, Wang Tianchen |
Country | China |
Production | Tencent Penguin Pictures |