TVLINE | First off, how did the timing of Daniela Ruah having her baby [on Dec. 30] work out? Had you already filmed everything you needed to get her off the canvas for however long you might need her off?
It worked out perfectly. We planned ahead — we were working on eight episodes at the same time! — and she is in every episode. Taking Kensi and Deeks to that moment that everyone’s been waiting for was the key to it. And then, before they had a chance to explain themselves or to discuss what happened, we split them apart and sent her off to Afghanistan….

TVLINE | But they’ve been keeping in touch….
They’re keeping in touch, yes — and Hetty is doing things to keep them in touch…. The story that we’ve come up with in Afghanistan will impact both Kensi and Deeks in a totally unexpected way. It impacts on the rest of the team, as well. We’ve been slowly revealing what her mission is, and when it comes time to complete it, something major happens. Something that shocks everyone and puts Kensi in an enormous amount of jeopardy. And then we have to deal with the consequences of that, at the same time she and Deeks are dealing with the reality of that night they spent together – and I’m not saying anything happened, though it certainly looks that way.

Read the whole article on tvline.com.

Synopsis: Sam and Callen head to Mexico to search for Tuhon, a retired assassin they encountered on their very first case together, now a suspect in the murder of a diplomat. Meanwhile, Nate and Deeks stay in Los Angeles to assist with the investigation, on NCIS: LOS ANGELES, Tuesday, Feb. 18 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Peter Cambor Returns as Operational Psychologist Nate Getz and Danny Trejo Guest Stars as Tuhon.

source: spoilertv.com + cbspressexpress.com