Matthew Fahey

The staff tries to deal with physical and emotional trauma in the wake of the vengeful gunman's deadly rampage; Derek makes a spontaneous decision to resign as chief and return to surgery.

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

The mother of a performer is stabbed to death at a dance competition; Korsak's stepson is accused of shooting a police officer.

At a party meant to galvanize opposition to the proposed strip mine, Mags Bennett (Margo Martindale) teams up with Boyd Crowder (Walton Goggins) to cut her own private deal with Black Pike Coal. And when the gathering exposes the truth behind her dad’s disappearance, Loretta McCready looks to escape the Bennett clan’s clutches.

Valens helps Rush search for her abducted sister; Jeffries tries to close a case that has haunted him for 17 years.