As the rest of the NCIS team investigate the death of a man whose remains were found in a septic tank, DiNozzo is sent to Marseille, France, having been given the top-secret assignment of bringing home an Admiral's daughter, only to stumble into a possible nightmare when he enters the NCIS office and finds that the NCIS office in Marseille has become a crime scene full of bodies of various NCIS agents and other personnel. As such, DiNozzo must turn to his team for help after being framed by one of the true killers who will ultimately stop at nothing in silencing both him and Amanda once and for all...