Plot
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.
Cast
Du Chun
as Cao Zheng
Li Xiaoran
as He Jun
Wang Tianchen
as Gu Ming Zhe
Ma Rui
as Wen Jing Ya's Mother
Cheng Fang Xu
as Lu Xiao Bei
Zhao Qian Zi
as Ma Xiao Jing's Mother
Chen Ya'an
as Wen Jing Ya