Andrew Bongiorno

The murder of a petty officer sparks a lead in a 40 year old airport bombing cold case that Gibbs and DiNozzo have been assigned to for the past two years.

When their plan to infiltrate the Building goes awry, Gavin finds himself face-to-face with its enigmatic leader. Eve, Levi, Sam and Izzy are forced to rely on a former adversary to lead a rescue attempt. In 1988, Josh and Riley enjoy some fun before a startling turn.

Callen and Granger try to clear Sam's name after he's arrested for a woman's murder.

Kate discovers that dating in Los Angeles is more difficult than she thought. Plus, Harry has a new job venture, and the boundaries between Karen and Robert become complicated.