A gunman hides in a body bag sent to Ducky, then takes the medical examiner, Gerald and Kate hostage. Gibbs must find a way to free them.
Conrad doubts Devon's judgement when a patient who was pronounced dead suddenly revives; Cain and Nick butt heads over the care of a white supremacist; The Raptor and Mina uncover new information about Red Rock Medical.
When the principal of a high school retires, two vice principals go to extremes to land the vacant job.
A murder investigation becomes dicey when all the victims and suspects turn out to be police officers.
Gamby and Amanda bond during teacher workday; Russell's patience is tested; Dr Brown must deal with the sudden appearance of her ex-husband.
