The story combines the content of four short stories in the Detective Star City series. The timeline spans from the adolescence to adulthood of the protagonists Zhan Qingyun and Bai Yan. It depicts a brief teacher-student relationship between Zhan Qingyun and Bai Yan during their early years at the police academy. However, Bai Chuan, Bai Yan's adoptive father, the leader of the underground organization, wanted to stop Bai Yan from ruthlessly making Bai Yan's body covered with tattoos, and even used drugs to control him. After Bai Yan became an adult, his encounter with Zhan Qingyun turned into a story about how happy friends were. During the cat-and-mouse game, Zhan Qingyun's boss Xu Zhicheng was killed, but the case was inextricably linked to Bai Chuan. The side stories are run through with objects, showing six special stages with different imaginative ideas.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
