Acclaimed crime novelist Di Shen makes it his mission to expose the evil in humans, as he believes all humans are born depraved.
Xueqing is abducted by a mysterious man to a dark enclosed room.
When Di Shen fails to make Zhenye speak, the devil in him rises.
Tianrui has been mentally tortured by his evil thoughts, but with the help of Xueqing, he speaks about the first time he committed the crime.
The mysterious man makes a recording and uploads it to the internet.
Xueqing helps her uncle to investigate the murder case of Li Aiqin, and with the help of Di Shen, they manage to trace a suspect... Tang Rongyao.
Xueqing is grateful that Di Shen helps to return her father's name, and their relationship takes a step further.
The case of "The Hammering Assault" returns. Jianfeng and Jingcheng find Chen Zhifeng who was the mastermind of the previous assault.
Di Yao keeps meeting the same lady at different locations. She suspects that the lady has been following her.
Di Shen agrees to help Jingcheng plan a meet-up with Chen Zhifeng to end their grudges. However, Jingcheng kills Zhifeng by accident.
Di Yao can't accept the fact that she killed Jingcheng.
Keji meets up with Xueqing and Gangyi after a long time. Throughout that time, he has never forgotten Xueqing.
Di Yao is diagnosed with split-personality disorder.
Xueqing tails Di Shen and finds Jacob's dead body. She starts suspecting Di Shen.
Gangyi falls into Keji's trap and finally sees his true colors. However, it could cost him his life.
Shadow Walker appears on the Internet once again. And this time, he's left some clues for Jianfeng and his team to track down the mysterious man.
Xueqing starts planning her revenge after learning that Di Shen caused the death of her father.
Di Shen finds out about Xueqing's revenge plot.
After gathering all the evidence, Jianfeng realizes that Xueqing was the mastermind and that she killed Jingxuan.