A camping trip leaves a patient with a fatal disease that none of the doctors have seen before; Bell & Kit devise a plan to help their case.
FBI computers are hacked, revealing confidential files that make Alex think a second bomb is somewhere in New York; the recruits receive individual assignments that turn out to be connected.
When Mary ditches administrative leave to investigate the death of a witness, her post-traumatic stress disorder gets in the way.
Once a year, any and all crime -- including murder -- is legal in America for a period of 12 hours.
Catalina warns Jenna; Henry torments Penelope; Jane goes on a ride along with the Matron Saints.