Yu, a self-assured factory guard, fancies himself a detective and begins poking his nose into a murder investigation.
Duan Yihong
Yu Guowei
Jiang Yiyan
Yanzi
Du Yuan
Captain Lao Zhang
Zheng Wei
Xiao Liu
Zheng Chuyi
Deputy Li
Williams Zhang
Song Jun
Liu Tao
Middle Aged Woman
Guo Jiulong
Watchman
