At the close of Season 8, the team suspects they have found another port-to-port killer who is bound to target someone at NCIS next. Upon finding answers, they discover secrets that could make or break the team. As Season 9 begins, the team is back at work in the field, and some of their cases hit close to home. One of McGee's family members may be involved in a murder, and we find Tony working on a special SecNav case that takes a dangerous turn.