
Chicago P.D.'s Intelligence Unit, led by Sgt. Hank Voight, investigates the city's most formidable offenses -- drug trafficking, organized crime, high-profile murders and other large-scale felonies. The squad -- made up of Voight, Trudy Platt, Kim Burgess, Adam Ruzek, Kevin Atwater, Jay Halstead and Hailey Upton -- is committed to protecting the city and seeking truth, but in the midst of a changing criminal justice system, the team struggles to maintain peace in the community. Voight must learn to adapt to a shifting sociopolitical climate and embrace new tactics to crack down on crime in the city he loves.

A wellness check on a family reveals signs of foul play, and Detective Upton is determined to find the parents and young daughter; as she delves further into the troubled family dynamics, she reflects on her own childhood trauma.

The team pursues a crafty serial rapist; Sgt. Voight finds himself resisting some old, familiar tendencies in his quest for justice.

The shocking murder of a young pregnant woman leads the team on a desperate hunt for the killer, revealing something even darker than expected; Burgess has to make a tough decision about Makayla.

After a series of brutal home-invasion robberies, Upton immerses herself in the case and finds herself caught between Voight and Halstead.