S3, E16: Harm, Mac and Bud are assigned to prosecute the officer accused of sexual harassment towards an enlisted woman aboard an aircraft carrier but are taken by surprise when the accused decides to hire a a civilian lawyer: Dalton Lowne, Mac's boyfriend. Mac has doubts about dating opposing counsel but Dalton convinces her they can maintain separate personal and professional relationships. However, the temptation is too great for Dalton when he discovers Mac's case notes out in her home.