Lieutenant Commander Harm Rabb, Jr. Is Back To Prosecute All Crimes, Accidents, And Espionage Related To The Navy And Marine Corps. He And His Partner, Major Sarah Mac Mackenzie, Use Their Wits To Solve The Mysteries Behind The Cases. In This Season, Harm Considers Leaving Mac Behind When His Dream Of Becoming A Pilot Is Realized, Just As Admiral Chegwidden Welcomes A New Attorney To The Jag Team. But It's Bud And Harriet With The Biggest News Of All--the Birth Of Their Son.