The team is surprised to find a connection between the murder of a Navy lieutenant and McGee's grandmother.
Tony and Ziva search for a missing soldier and a Navy chaplain after a marine is murdered. Meanwhile, Jimmy Palmer reveals who his best man will be at his wedding.
Complications arise when it is discovered there is a link between a murder victim and the current boyfriend of Gibbs's ex-wife. Meanwhile, NSA analyst Ellie Bishop adjusts to joining the NCIS team.
In the aftermath of a tragic event that strikes close to home, the NCIS team unites to demand answers and protect vulnerable colleagues.
Tony's father (Robert Wagner) returns at the request of Gibbs, who surprises the team when he enlists his help on a sensitive case.
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