When a severed finger arrives in a kidnapping case, veteran detective Luo Fei and his apprentice Mu Jian Yun dive into a chilling investigation. As they dig deeper, a tangled web of hidden connections and buried secrets begins to unravel, revealing that nothing is as it seems.(Source: TMDb)~~ Adapted from the web novel "Killing Notice" (暗黑者外传: 惩罚) by Zhou Hao Hui (周浩晖).