Signal (Scripted, Chinese)
Genres: Drama, Crime, Mystery
Status: Ended
Premiered: 2019-10-23
Ended: 2019-11-27
Network: Tencent QQ
Country: CN
Airs on: Wednesday, Thursday, Friday
Runtime: 45 minutes
A criminal profiler finds a mysterious old phone that connects him to a clumsy yet resolute detective, who has been missing for 20 years and is calling from the year 1998.