A series of serial killings is exposed and creates a stir among the public. A killer called "Darker" has been leaving a death notification card after killing scumbags who evaded the law. To counter the provocation of the mysterious killer, the police creates a special investigation team.
3 Seasons
StatusEnded
First Aired2014-06-24
Last Aired2019-04-26
NetworkTencent Video
Seasons3
Episodes121
