Original name: 时空来电
Release date: October 23, 2019
Series
Average time: 0 minutes
Genres: Mystery, Crime, Sci-Fi & Fantasy
Synopsis: 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.
