While stuck at the Dulles airport due to inclement weather, DiNozzo, Bishop and her husband Jake work an NCIS case involving an elevated terrorist threat at Northeast airports during the Thanksgiving travel surge. Jamie Bamber guest stars.

While visiting a pharmaceutical lab on a murder case, Abby is trapped with no communication to the outside world after armed men take over the building and hold everyone hostage.

The team must rely on an irritable Vietnam War veteran to solve a Marine's murder.

A gunnery sergeant's murder in a national park lead the team to join forces with the mounted police. While investigating the clues, they uncover a disturbing smuggling ring.

NCIS searches for a petty officer suspected of assault who escapes when the sheriff transporting him crashes into a lake. Also, Torres works closely with Annie Barth, a key blind witness who heard vital evidence needed to solve the case.