Bud Sr. and Mike (Bud's father and younger brother) travel to Washington for Bud and Harriet's wedding. Bud Sr. leaves insults, injuries, and hurt feelings in his wake; Harriet's mother also causes much discomfort and embarrassment. Bud passes a big career milestone with grace and empathy. A dry cleaner loses Harm's dress whites, but Harm finds them in an unusual place. The girls go to Harriet's party, then Mac bails Harm, Bud, and the admiral out of a DC jail after Bud's party. Bud Sr. skips the beautiful wedding, and Mike arrives late. Harm takes charge of a detail of eight officers who form an arch of swords for the new couple; he also shows up with an unusual and unexpected date.

Mac has gone incognito at a Seabee center to investigate a charge of rape among Wiccan worship and training; Harm and Bud join her, and they prosecute; a civilian lawyer defends. The admiral and others have trouble with a plaster pyramid.

Admiral Chegwidden heads the selection board for captains this year. SecNav tries to get a member of his staff promoted. Meanwhile Harm tries to help a former drill instructor who faces a long prison term under the three-strikes law.