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.
▶️ watched Chicago P.D. 5x21 Allegiance https://trakt.tv/shows/chicago-p-d/seasons/5/episodes/21 (https://www.frederickcalica.com/?p=3348064)