When a Navy lieutenant and his grandfather are kidnapped from a retirement home, the team's investigation leads them to a con artist couple and the hunt for a rare coin; Callen meanwhile has to deal with his father's actions when he kidnaps the father of his grandson (and Callen's nephew).
Genres: Action & Adventure , Crime , Drama , Mystery
Keywords: crime-investigation , los-angeles-california , military , navy , spin-off , u-s-marine , undercover , watch-TV-series-online-free