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.
2000
2020
2018
2019
1980
2008
2003
2004
1981
1999
1998
1997
1985
1979
1982
2002