A decomposed body is discovered in a tub of acid at a naval base and Ducky and Abby learn that the victim was a submariner.
Jessica (Angela Lansbury) tries to discover who is terrorizing her wealthy friend (Ann Blyth).
Harm and Mac must prosecute a Marine colonel who defied orders in order to rescue his men from a Haitian warlord.
At a gathering to celebrate Coates’ promotion, the JAG gang each privately reminisce about their lives taking different turns with Harm and Mac about to finalize a divorce.
The night before Christmas, Harm visits the Vietnam War Memorial in his father's memory. A woman is also there and Harm is surprised to discover that she was a friend of his father.
