First air date: Oct 23, 2019 Rating: (0) based on 0 votes Status: Ended Seasons: 1 Episodes: 32 Starring: Du Chun, Li Xiaoran, Wang Tianchen, Ma Rui, Cheng Fang Xu Genre: Mystery, Crime, Sci-Fi & Fantasy
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.
