Bête Noire

Ducky responds to an emergency call when the Israeli Embassy sends a Royal Navy officer to NCIS for autopsy, only to find a gunman (revealed in later episodes to be recurring antagonist Ari Haswari) inside the body bag. As Ducky, Gerald and eventually Kate are held hostage in the autopsy lab, the director and Gibbs co-ordinates with an FBI strike team to negotiate their release. Meanwhile, Kate hesitates when presented with an opportunity to kill her captor, while Gibbs and Tony take more pro-active measures to get their co-workers out safely, ending with a showdown during which shots are fired, one of which hits Gibbs's left shoulder, leaving both himself and Gerald who had been shot during the siege injured.