Kira Sternbach

A young couple hanging out in someone else's house find themselves in hot water when a security guard and decorated veteran wind up dead in the street outside. But Brenda finds her investigation stifled by the watchful eye of the District Attorney's office. Meanwhile, Raydor and Pope finally pinpoint the leak in the department.

A shoddily assembled structure poses a dangerous challenge for the team; Maya and Carina work to get their relationship back on track; Natasha must decide what -- or whom -- she wants to prioritize.

Agent Bishop questions her previous work at the NSA after being sent to Gitmo to gather evidence for a Navy chaplain murder case; Bishop's brothers visit for Thanksgiving.

The NCIS team's murder investigation of a man who sold military information leads to the abduction of a doctor whose cutting-edge neurotechnology could be developed into advanced weaponry; Callen tries to have an important talk with Arkady.

The CSIs try to determine how an entire house was stolen off its foundation; Julie's skill in blood analysis is revealed.

Masters and Johnson recruit new participants; Johnson's ex-husband wants to sign up; Libby tries to play matchmaker.