NCIS Season 8 Episode 11 : Ships in the Night
Gibbs and the NCIS team partner with Coast Guard Investigative Service (CGIS) Agent Abigail Borin to investigate the murder of a Marine First Lieutenant on a dinner cruise. The team learns of the victim's wealth, opening up new lines of investigation. The victim was the heir of a multimillion dollar corporation, and was intending to use his ownership to turn the corporation into a charity organization. Piecing together the clues, the team discovers that the victim's death was the result of a conspiracy between his sister, the family lawyer, and the corporation's CFO. Later, one of the victim's squadmates, who is also a lawyer, arrives at NCIS to deliver his last will and testament, which was intended to carry out the victim's wishes to reform his company.