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.
Jim advises a player on the Celtics to take one of his recent losses less personally, sparking a controversy that forces the Kearney clan to confront their spiritual beliefs.
Horatio protects a Mexican police chief from the mysterious assassin who killed her husband.