Lorena Diaz

An airfield emergency triggers a deeper mystery involving a passenger plane, propelling the Intelligence Unit into a high‑stakes pursuit of the culprit, all under the sharp eye of the FBI.

The doctors at Gaffney work to save one of their own in critical danger. Hannah finds herself at odds with the ob-gyn who will fill in for her maternity leave.

Doctors and nurses deal with a staff member's suicide; Choi and Halstead face off over how to treat a patient who is experiencing stroke symptoms; Manning treats a boy who fell into the river; Rhodes examines the man who saved Dr Manning's patient.

In the aftermath of Will's apartment fire, Crockett, Ethan and Archer work together to try and save the survivors. Charles and Med's new fellow, Nellie, helps a paranoid patient. Dylan makes a life-changing decision.

Dr Manning struggles to treat a comatose woman who is unexpectedly pregnant. Dr Reese is contacted by a troubled teen in a psychiatric facility.

A traumatic multi-car accident during a blizzard stretches the hospital staff to the limit; Rhodes and Latham make difficult decisions in triage; Choi handles a severely burnt patient who has a final request.