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.
Tommy is bitten by the neighbour of a young woman who was savagely murdered. Later he is diagnosed with rabies.
After a series of brutal home-invasion robberies, Upton immerses herself in the case and finds herself caught between Voight and Halstead.
The mining company's representative, Carol, finally gets a decision from Mags over the offer for her land, and has Loretta's time in Harlan come to an end?
Jane and the squad investigate the murder of a star dancer's mother. An accusation is made against Korsak's stepson for the shooting of a police officer.
