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.

When a commuter ship capsizes, the ED finds itself under water as the staff struggle to treat the influx of new patients and deal with bold new employees taking charge.

Maggie and Frost fight to get a pair of lungs for a young cystic fibrosis patient; Asher learns whether she can become a surrogate; Ripley and Morris treat a tech billionaire's daughter as she battles leukaemia.

Asher treats a woman whose undiagnosed condition threatens the lives of both her and her unborn child; Goodwin receives a chilling message while battling the hospital higher-ups.

Goodwin struggles with the psychological aftermath of her attack; Ripley treats a patient with helicopter parents; an ED staffer makes a mistake that may cost them their job.

Lenox continues to rankle Archer as the two tackle their new roles; Ripley faces possible suspension over what really happened to Pawel; Goodwin is forced to make layoffs.