The team partners with Homeland Security for the investigation of a Navy master diver's murder after learning the death could be linked to a foreign attack on the city.
A deadly explosion at a military-sponsored charity event is investigated, as is a news reporter's claim of who is responsible.
After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause. Meanwhile, Abby and Jimmy partner with the Naval Medical Research Center to determine the strain of illness, all in hopes of delivering a cure before the holidays. Also, Vance struggles with forgiveness as his estranged father-in-law makes a surprise visit to his home.moreless
Don runs into someone from his past. Joan makes a decision, and Roger gives Peggy extra work.
Evidence suggests a victim may have been set up as bait, after he's found to have been attacked and killed by a black bear. It's discovered the killer may have been trying to hide another murder - that of a high priced hooker and her bodyguard, who were part of a prostitution ring catering to elite Miami clients.moreless