Xu Xiangyang: He is a rich drug policeman disguised as a criminal police officer (Fujia: a wealthy family)
Mu Qiuying: He is a genuine detective from a wealthy family.
CP: Xu Xiangyang and Mu Qiuying (HE)
CP: Director and Jiang Huamei (BE) Jiang Huamei died in the later stage
In the whole book, two members of Xu Xiangyang's team died.
The only remaining brothers are brotherhood
Purpose: justice