Kill Chain

A stolen drone is later revealed to be linked to the elusive terrorist, Benham Parsa, forcing the NCIS team to join forces with the Department of Defense which brings the team back into contact with retired Lt. Colonel Hollis Mann who is also Gibbs' ex-girlfriend. As such, both teams must track down and recover the device before it is used for a large scale attack. As this happens, McGee is struggling with the possibility of asking for time off as he wants to attend a black-tie gala honoring his girlfriend.