Follows District 21 of the Chicago Police Department, which is made up of two distinctly different groups: the uniformed cops and the Intelligence Unit.
- Genres: Action, Drama, Crime
- Actors: Jason Beghe, Sophia Bush, Jesse Lee Soffer, Patrick John Flueger
- Director: N/A
- Country: USA
- IMDB : 8.2
- Awards : 1 win & 4 nominations.