A Marine helo gunship intervenes during a standoff at a ranch; Mac prosecutes the pilot, and Harm defends. Bud investigates a Naval Reserve physician who, a conscientious objector, has received his medical education at Navy expense.

A sailor dies at sea; another sailor is blamed; Harm and Mac investigate; Mac prosecutes, and Harm defends. The admiral asks Coates to plan the wedding, but she overdoes. Harriet coordinates for a USO Christmas tour, and Mike meets a girl.