Production Companies: Media Asia Films , Screen Media , iQIYI Pictures , Sil-Metropole Organisation , Guangdong Sublime Media , Panorama Entertainment , Tao Piao Piao .
Overview: In Hong Kong, a vigilante serial killer leaves death notices, stating when and how he will murder a victim. Even if the victim reports it to the police and receives protection, the killer can easily break through and execute them. In response, the police set up a special task force and reveals a major conspiracy hidden behind.
, Screen Media , iQIYI Pictures , Sil-Metropole Organisation 
, Guangdong Sublime Media , Panorama Entertainment 
, Tao Piao Piao 
.
