Jessica A. Caesar

When an arson case looks to have Wesen origins, Nick (David Giuntoli) find himself reluctantly having to ask an old foe for help. Elsewhere, Viktor (guest star Alexis Denisof) teaches Adalind (Claire Coffee) the effectiveness of well-played diplomacy. Meanwhile, Juliette (Bitsie Tulloch) finds herself in a confrontation sooner than expected.

When a civilian scientist working with the marines is killed, and her advanced radar technology stolen, the NCIS team must scramble to find the missing technology and the culprit.

Rainer’s downward spiral continues, and Paige searches for him after he disappears. Plus, Alexis receives bad news, and she takes revenge on Rachel. Jake briefly returns to Los Angeles, and Paige tries to confess her feelings. Meanwhile, Jordan attempts to handle the Barrett Hopper problem with an exclusive, but a shocking event stops the plan. Later, Nina stages a press conference to address Rainer’s public meltdown, but things are disrupted by an unexpected appearance.

Mika finds herself at odds with Kenan, Pam and Tami when they accuse her of being a workaholic.

As the newest substitute teacher at La Salle High School, Kevin tries to help an introverted student become more self-assured and popular. Meanwhile, Yvette contemplates life after the mission, and Amy and Nate struggle to plan the perfect first date.