A variety show that offers an inside look at criminal investigations, allowing viewers to be a part of nerve-racking missions. Upon completion of their basic training, actor Jang Hyuk, Jo Jae Yun, Lee Tae Hwan, and Kim Min Jae transform into police detectives and join Yongsan Criminal Intelligence Unit to track down criminals.
| Alternative Titles | |
| First Air Date: | 2019-01-14 |
| Last Air Date: | 2019-07-29 |
| Number of Episodes: | 11 |
| Number of Seasons: | 2 |
| Genres: | Reality |
| Status: | In Production |
| Networks: | $MBC every1 |
| Casts: | Jo Jae-yun, Lee Tae-hwan, Chun Jung-myung |
