Yu, a self-assured factory guard, fancies himself a detective and begins poking his nose into a murder investigation.
| Actor | Role |
|---|---|
 Duan YihongYu Guowei | Yu Guowei |
 Jiang YiyanYanzi | Yanzi |
| DDu YuanCaptain Lao Zhang | Captain Lao Zhang |
| ZZheng WeiXiao Liu | Xiao Liu |
 Zheng ChuyiDeputy Li | Deputy Li |
| WWilliams ZhangSong Jun | Song Jun |
 Liu TaoMiddle Aged Woman | Middle Aged Woman |
 Guo JiulongWatchman | Watchman |
 Chen GangTruck Driver | Truck Driver |
 Li HongleiLao Jin | Lao Jin |
 Li XianliangMr. Woo | Mr. Woo |