Kaley Ronayne

McCall is hired by an online group of true-crime enthusiasts to find the anonymous stalker of an unsuspecting NYC woman when the criminal claims he will murder her in eight hours.

When New York City experiences a major blackout, police officers scramble to contain the resulting chaos; Frank uncovers some unpleasant truths about his department; Jamie and Eddie question the line between work and their relationship.

The death of Judge Tommy Wells' daughter puts Intelligence on the track of a pill mill spreading into the suburbs of Chicago and the doctor enabling it; Voight discovers who's been leaking information from the 21st.

In an attempt to clear his name, Gordon steals his own case file and approaches Nygma for help. Meanwhile, Penguin discovers his step-family's role in his father's death, and awakens from his "conditioning."

When a lost child is brought in with physical signs of abuse, Conrad and Cade try to get to the bottom of what happened to her; while out shopping, Devon and Leela encounter a woman who is having trouble breathing; Billie confronts her past.

When the first day of Kit's experimental Flight Go team program sends Conrad out into the field, he builds a new relationship with a fellow doctor along for the ride; Devon works with Trevor on a patient with a mysterious fever.