In the early 1919s, a mysterious death case of a female worker in a textile factory caused a sensation in Shanghai.
This is the third murder case this month. All the deceased had their eyes gouged out and their tongues cut out. They died in extremely miserable conditions.
Detective Lu Yu of the Central Patrol Room and private detective Xu Nian got acquainted.
Xu Nian was the detective invited to investigate by the deceased's fiancé Wang Zixuan.
This case actually involved a Hongxin jewelry robbery case ten years ago.
The two went from conflicts with each other to jointly solving the case, and restarted the investigation of the Hongxin jewelry robbery case...
