S4 E510/27/16

A War Zone
Also available on the NBC app

When an epidemic of heroin overdoses sweeps the city, Voight and team must trace the operation back to its leader; meanwhile, Mouse fights for the opportunity to rejoin the military, despite Halstead's attempts to convince him otherwise.

Available until 09/28/17
Appearing:Jason BegheSophia BushPatrick FluegerElias KoteasJon SedaJesse SofferMarina SquerciatiLaRoyce HawkinsBrian Geraghty
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S4 E543 minTV-14Full EpisodeDramaPrimetime