In the aftermath of discovering that one of their suspects is associated with a terrorist group based in Afghanistan, the NCIS team continue searching for new leads while Gibbs works with a Marine Captain suffering from PTSD in order to help them locate and stop the suspect from launching a potentially devastating terrorist attack, only to learn that the suspect has a partner while with Thanksgiving approaching, Abby's enthusiasm for the NCIS family dinner is growing and Tony is left curious upon learning that Ziva is making special plans for the opera.