NCIS: Season 7, Episode 6

7 - 6: Outlaws and In-Laws

When Gibbs' boat mysteriously shows up in the San Diego harbor with two dead men in it, Vance, Gibbs and Ducky travel to San Diego knowing this investigation needs to be handled with extreme sensitivity. It turns out Gibbs dropped his boat off to Franks in Mexico but Franks is nowhere to be found. Franks shows up at Gibbs' house with his daughter in law, Leyla (Franks' deceased son's wife), and granddaughter in tow. It is revealed that the two dead men worked for a private military company that was hired by Leyla