Danielle Demski

NCIS investigates the murder of a Marine Major believed to have been killed in the 9/11 attack on the Pentagon after human remains are discovered at a construction site. A personal history with the victim drives Gibbs to solve her crime.

Horatio protects a Mexican police chief from the mysterious assassin who killed her husband.

Bill agrees to make amends for obstructing Liam's relationship with Hope by running a little interference with someone else.