On the anniversary of a serial killer's execution, a murder spree which appears to be connected to him begins and the team must try and understand his mind in order to stop it.
Frasier and Charlotte find themselves stranded in the middle of nowhere after Frasier's car breaks down. Meanwhile, Niles gets busy planning Martin's stag party, and Daphne mistakes a prospective stripper as one of her nanny interviewees.
When a Marine photographer disappears prior to providing testimony to an army court-martial hearing, the NCIS team investigates both the murder he witnessed and a current project centred on military veterans who are homeless in the DC area.
Worf goes out of his way to help Kor, an ageing Klingon war hero, much to Martok's annoyance, who has an intense dislike of Kor.
At the squad, McDowell is on the phone checking on the baby again, when they are called out to the scene of homicide in a vacant lot.