Kaley Ronayne

Cops scramble to contain the chaos when New York City experiences a major blackout, and Frank uncovers some unpleasant truths in the aftermath.

After a petty officer is found murdered, McGee spends hours on the victim's ham radio trying to locate a key witness.

When things from Billie's past begin to come to light, the team struggles to find the best way to support her; with the nurse shortage in full swing, a simple cleaning job turns into a horrific disaster.

When Conrad confronts a pharmacy owner about fraudulent prescriptions being filled under his name, the situation takes a dangerous turn; the ER is sent into chaos when a street racing accident results in multiple severe injuries.

Devon treats his first patient with a revolutionary medical fluid that doesn't go as planned; an overdosed John Doe is rushed to Chastain, leading Conrad straight into a much bigger scandal than he expected.

When one of the doctors is shot outside the hospital, the emergency room is put into lockdown; a patient learns he is unable to receive a transplant due to his vaccination status; Devon and Leela try to juggle the new dynamics of their relationship.