When a Navy captain is killed in a hotel room, NCIS must track down and protect his very pregnant companion from unknown assailants. Meanwhile, Jimmy has problems of his own…

The investigation into multiple homicides at a clothing store leads to the arrest of a schizophrenic who presents McCoy with a formidable opponent when he decides to represent himself.

While investigating several deaths at a diabetes clinic, Briscoe and Logan discover that teenage computer hackers may have tampered with the clinic’s medical database.