9.30pm tuesday / AUGUST 5

When the bodies of two assassins, a married couple, are delivered to NCIS from overseas, Tony and Ziva assume their identities undercover to track down their target.

Their undercover mission is under surveillance by an unknown team so Tony and Ziva take their duties very seriously – especially those in the bedroom. The question is, how far will they go to convince those that are watching them that they a loving couple, in all senses….

Meanwhile, we are treated to flashbacks of Gibbs and Director Shepard's own romantic and professional past. It seems NCIS is the breeding ground for relationships – it must be all the close intimate work…