The NCIS team investigates when a Marine records his own murder on video as he falls off a cliff. Gibbs and the team are called in when the Marine is discovered dead during a camping trip with his wife and best friend, who had an affair. Gibbs plays the former lovers against each other during the interrogation, hoping to get one to say the other is guilty. Meanwhile, Abby must put her superb technical skills to the test when she reconstructs the camera that was broken during the Marine's fall. Also, McGee gets himself into a very itchy situation while investigating the campground.