Elayn Taylor

Following an active shooter lockdown at a naval hospital, the team searches for a suspect who fled the scene, someone from Sloane's past is a key witness in the case.

Gibbs and the team assist Ziva with "the one thing" she said she would need to take care of before returning to see her family.

While pursuing a dangerous arms dealer, the team is shocked when Bishop is implicated in an old NSA leak; Gibbs and Marcie realise the killer they've been tracking may be onto them.

As the Cohens prepare for Kirsten's 40th birthday party, Kirsten gets some news that will change her life forever. Meanwhile, Julie is having a secret love affair and Kaitlin is doing everything she can to stop it. Elsewhere, while Ryan acts as if he doesn't miss Taylor, she visits a therapist who gives her some rules to live by, and Seth and Che's plan to save Newport's groundhog goes awry.

In the aftermath of a major earthquake that cuts off power and communication between the Cohens and their loved ones, Seth must take over Ryan's role as the protector when Ryan is injured and the boys are stranded on a deserted road. Elsewhere, Summer and Taylor worry about their missing boyfriends while searching for Summer's escaped pet rabbit - and the quake leads to an unexpected reunion for Taylor.