Chicago P.D. - Season 5 Episode 21 Allegiance
Halstead and Atwater go under cover to prevent military-grade weapons from hitting the street; Voight calls in a favor to clear Olinsky's name for Bingham's murder.
- Genre: Crime, Drama
- Studio: NBC
- Keyword: chicago, illinois, police, spin off, crime investigation
- Cast: Jason Beghe, Tracy Spiridakos, Marina Squerciati, Patrick John Flueger, Benjamin Levy Aguilar, LaRoyce Hawkins