<Chinese TV Series NOW> ”Bing Yu Huo ~Being a Hero~” EP7, Chen Yu and others are given permission by Liu Kaihua to investigate the incident three years ago = Synopsis / Spoilers

*This article contains spoilers and synopsis.
In "HERO~" EP7, Chen Yu and others were given permission by Liu Kaihua to investigate the incident three years ago.
The story depicts the situation of the facility. Wu Zhenfeng enters the facility and begins to search for a man named Guishou who has stolen drugs and is being chased by K. With his help, Wu Zhenfeng is able to contact Guishou.
At that time, Chen Yu went to Liu Kaihua to ask for permission to reinvestigate the incident from three years ago. Liu Kaihua gave permission to reinvestigate the incident.
Chen Yu decided to take Lan Anran and Yang Yi to the storage facility and re-examine the documents from three years ago. As the investigation progressed, they discovered that they had been on the same bus in Monga three years ago.
Chen Yu and Yang Yi visit the prison to talk to Hu Daming directly. Hu Daming tells Chen Yu about his time with Wu Zhenfeng.
He receives new testimony from Hu Daming that he was not using drugs when he was with Wu Zhenfeng and that he has been investigating the cause of Wu Gang's death all this time.
Wu Zhenfeng once again succeeded in contacting the Ghost Hand at the facility and tried to get information to get closer to Dong Ge. However,
However, Guishou revealed that he had no information about Dongge, and that his main business was with Nezumi Ge (Shu Gu), who was currently missing.