Tianjin Inspector Bai Yan was transferred by her superiors to Decheng DBI to work at the same level as Inspector Gongsun.
A little-known thing about Bai Yan is also the most troublesome thing for her.
Bai Yutang, the Golden Mouse of the Five Rats, is Bai Yan's younger brother.
DBI of Decheng.
Bao Zheng, Gongsun Ze, Hu Shirley, Meng Fei.
Will face new challenges,
At the same time, he and Inspector Bai will solve all the mysteries.