Chicago P.D.
Infection (3) (7x4)
:
After zeroing in on a suspect responsible for bioterrorism, the P.D. prepares to undertake its biggest manhunt yet; Upton is torn between helping track down the perp and providing emotional support to a scared young girl who needs her.
(Infection (1) Chicago Fire S08E04)
(Infection (2) Chicago Med S05E04)