While grabbing coffee at his regular diner, Gibbs comes face-to-face with a teenager pointing a gun right at him. We freeze frame and flash cut to a series of images from Gibbs' past. Gibbs questions the decisions he's made in his life, and in a series of flashbacks, never before scenes, and 'what if' scenario's, he discovers what life would have been like had he made different choices. NCIS investigates the murder of a Petty Officer and a civilian aboard an out of commission Navy ship. They discover that our victims were part of a scheme to download secret information from the ship and sell it to the Chinese. Our killer, who happened to be a systems analyst, was supposed to help download the information but got cold feet and a gun fight ensued killing our two victims. Our teenager at the diner turns out to be the son of the analyst who wants Gibbs to help his father.